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VF-SDD_vls-024_054a_094a_0154a-sdd-technical-manual-8195076-02.pdf

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Chunk 0

Technical manual VLS 024 / 054A / 094A / 154A SDD
Vestfrost Solutions is working towards reaching the UN - Global Sustainable 
Development Goals by 2030.
The Sustainable Development Goals are the blueprint to achieve a better and 
more sustainable future for all. 
In order to implement Goal no 12 ”Responsible Consumption and Production”, 
this manual has been printed on recycled paper.

Chunk 1

As the appliance contains flam -
mable refrigerant, as stated 
on nameplate, it is essential to 
ensure that the refrigerant pipes 
are not damaged.
The quantity and type of the 
refrigerant used in your appli -
ance is indicated on the rating 
plate.
Standard EN378 specifies that 
the room in which you install 
your appliance must have a 
volume of 1m³ per 8 g of hydro -
carbon refrigerant used in the 
appliances. This is to avoid the 
formation of flammable gas/air 
mixtures in the room where the 
appliance is located in the event 
of a leak in the refrigerant circuit.
 
WARNING:   
Keep ventilation openings in the 
appliance or in built-in structures 
must be kept clear.                
                                 
WARNING:  
Do not use other mechanical de -
vices or means to accelerate the 
defrosting process or to remove 
rime other than those recom -
mended by the manufacturer.WARNING:  
Do not damage the refrigerant 
system.
WARNING:  
The appliance may not be

Chunk 2

defrosting process or to remove 
rime other than those recom -
mended by the manufacturer.WARNING:  
Do not damage the refrigerant 
system.
WARNING:  
The appliance may not be 
exposed to rain.                                        
WARNING:  
This appliance may be used by 
children over the age of 8 years 
old and by persons with reduced 
physical, sensory or mental 
capabilities or by persons with 
a lack of experience or knowl -
edge if they are supervised or 
are instructed by a person re -
sponsible for their safety how 
to use the appliance safely and 
have understood the associated 
hazards.  
WARNING: 
Children must not play with, on, 
or around the appliance.
WARNING:
Children must not clean the 
appliance or carry out general 
maintenance unless they are at 
least 8 years old and are being 
supervised. WARNING
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GB
WARNING:  
Always, keep the keys in a 
separate place and out of reach 
of children.
WARNING:  
Before servicing or cleaning 
the appliance, switch off circuit

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supervised. WARNING
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WARNING:  
Always, keep the keys in a 
separate place and out of reach 
of children.
WARNING:  
Before servicing or cleaning 
the appliance, switch off circuit 
breaker.
WARNING:
 Danger risk of fire or explosion. 
Flammable refrigerant used, 
as stated on nameplate. To 
be repaired only by trained  
personnel.
WARNING:
 Do not store explosive 
substances such as aerosol cans 
with a flammable propellant in 
this appliance.
WARNING:
When positioning the appliance, 
ensure the power cord is not 
trapped or damaged.WARNING:
When positioning the appliance, 
ensure the supply cord is not 
trapped or damaged. 
WARNING:
Do not locate multiple portable 
socket-outlets or portable power 
supplies at the rear of the appli -
ance.
WARNING:
Appliance use flammable insula -
tion blowing gas.
For information about safe dis -
posal, please contact your local 
disposal service.
See section for Disposal.
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Contents
Periodic preventive maintenance checks  ...5

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tion blowing gas.
For information about safe dis -
posal, please contact your local 
disposal service.
See section for Disposal.
3
GB
Contents
Periodic preventive maintenance checks  ...5
Complete spare part list VLS 024 SDD  ......6
Complete spare part list VLS 054A SDD  ....8
Complete spare part list VLS 094A SDD  ..10
Complete spare part list VLS 154A SDD  ..12
Vital components  ...................................... 14
Health and safety guidance – Warning!  ....15
Required basic tools  ................................. 16
Motor compartment  .................................. 17
Thermostat replacement  ........................... 18
Thermostat, Wire diagram  ........................ 22
Thermostat programming  ......................... 23
Starting device ECU replacement  ............ 25
Thermometer replacement  ....................... 27
Thermostat sensor replacement  ............... 29
Fan replacement  ....................................... 31

Chunk 5

Thermometer replacement  ....................... 27
Thermostat sensor replacement  ............... 29
Fan replacement  ....................................... 31
Fuse replacement  ..................................... 32
Compressor replacement  ......................... 33
On-site checklist  ....................................... 34
Trouble shooting  ....................................... 35
Diagnostic  ................................................. 36
Technical support  ...................................... 38
Recycling procedures  ............................... 39
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Daily Check:
Monitor Temperature 
Internal lid is placed properly
Lid fits and lock tight to cabinet
Lid gasket not faulty.
Weekly maintenance: Remove any water 
at the bottom of the refrigerator with a cloth.
Wipe of water droplets on the inside wall.
Monthly maintenance: :
Clean grille for compressor compartment. 
Clean the refrigerator with lukewarm water 
and mild detergent.
6 Month maintenance :

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Wipe of water droplets on the inside wall.
Monthly maintenance: :
Clean grille for compressor compartment. 
Clean the refrigerator with lukewarm water 
and mild detergent.
6 Month maintenance :
Clean condenser coils.
Yearly maintenance:
Check electrical connections and compo -
nents.Periodic preventive maintenance checks
Maintenance of the solar panels   
Weekly maintenance:  
The solar panels are to be cleaned for dust 
once each week – or as required. Cleaning 
must be carried out with water using a soft 
cloth or wash rag.
Monthly maintenance:
Avoid shading.
It should be regularly monitored that shades 
do not come up such as new towering 
trees, as this will decrease the amount of 
energy produced by the system.  
 
Yearly maintenance:  
Electric connections and components are 
to be checked and cleaned at least once a 
year or more often if required. Because of 
risk of fire, it is necessary to remove dust 
and dirt.
Checking that PV panels are clean, free of

Chunk 7

to be checked and cleaned at least once a 
year or more often if required. Because of 
risk of fire, it is necessary to remove dust 
and dirt.
Checking that PV panels are clean, free of 
fractures, scratches, corrosion, moisture 
penetration and browning.
Cabling should be checked to ensure it is 
secure.
Checking the mounting hardware to ensure 
it is in good condition and ensuring the 
earth connection is continuous
Checking of junction boxes to ensure there 
is no water accumulation and that the integ -
rity of lid seals, connections and clamping 
devices is intact.
Checking of junction boxes to ensure there 
is no water accumulation and that the integ -
rity of lid seals, connections and clamping 
devices is intact.
 
All bolts and nuts are to be re-tightened 2 
weeks after installation, and then once a 
year.
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Complete spare part list VLS 024 SDDVLS 024 SDD3.1
Position Item number Item name
0061 0-6538001 Filter drier,
0087 0-6038175 Base plate fittings, complete

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year.
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Complete spare part list VLS 024 SDDVLS 024 SDD3.1
Position Item number Item name
0061 0-6538001 Filter drier,
0087 0-6038175 Base plate fittings, complete
0129 8-036510223    Compressor - BD35K 101Z0211 10-45V - ECU 6520845
0899 7020956 Sensor
2170 0-A9301260103 Distance piece
5000 3010049 Drain plug
5013 3040400 Adjustable foot
5052 2042052-01 Mounting plate for condenser VLS024
5057 6010436 WOT condenser
5144 5000917024 Lid foamed without handle/hinges
5402 1510059 Hinge
5450 3011135-01 Top part for hinge cover
5451 3010032-01 Bottom part for hinge cover
5566 3510054 Basket VLS024/HFK024
5567 3510056 Bottom grating VLS024/HFK024
5570 2042044 Motor screen
5605 304090501 Handle with lock (push and turn)
5606 8090342-94 Inlay for handle,
5682 1510238 Nikel-plated Key
5683 2040145 Catch for handle
5684 3010265-01 Cover for catch
5685 600098801 Lock with keys,(push and turn)
5705 7020406 Temperature monitoring device Fridge-Tag 2E
5708 7020196 Cover for Dixell controller

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5684 3010265-01 Cover for catch
5685 600098801 Lock with keys,(push and turn)
5705 7020406 Temperature monitoring device Fridge-Tag 2E
5708 7020196 Cover for Dixell controller
5709 7060104 Frame for cover rocker switch bezel
5712 702090013 Thermostat XR20CX incl. sensor
5718 7060105 Rocker Switch Cover
5727 6520845 Electronics for BD35K compressor
5730 7020245 "on-off" switch
5739 7010139 Status indicator
5755 7060062 Fuse holder
5756 7020382-03 Thermometer, solar
5801 8470156 Fuse 15A
5873 7090403 Fan
XXXX 1006432 Wire-diagram
XXXX 1006433 Wire diagram, freezer
Subject to changes without prior notice.
1-R02467260910103 Version :...E Date :............. 13-07-2021 Approved by :.... ANG6
GB
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Complete spare part list VLS 054A SDDVLS 054A SDD3.1
Position Item number Item name
0061 0-6538001 Filter drier,
0087 0-6038175 Base plate fittings, complete
0129 8-036510223    Compressor - BD35K 101Z0211 10-45V - ECU 6520845
0899 7020311 Thermostat sensor
2170 0-A9301260103 Distance piece

Chunk 10

0087 0-6038175 Base plate fittings, complete
0129 8-036510223    Compressor - BD35K 101Z0211 10-45V - ECU 6520845
0899 7020311 Thermostat sensor
2170 0-A9301260103 Distance piece
5000 3010049 Drain plug
5013 3040400 Adjustable foot
5052 2041300 Fittings for condenser
5108 5000917054 Lid foamed without handle/hinges
5402 1510135 Hinge with spring
5450 3011135-01 Top part for hinge cover
5451 3010032-01 Bottom part for hinge cover
5605 304090501 Handle with lock (push and turn)
5606 8090342-94 Inlay for handle,
5682 1510238 Nikel-plated Key
5683 2040145 Catch for handle
5684 3010265-01 Cover for catch
5685 600098801 Lock with keys,(push and turn)
5705 7020406 Temperature monitoring device
5709 7060104 Frame for cover rocker switch bezel
5712 702090013 Thermostat XR20CX incl. sensor
5718 7060105 Rocker Switch Cover
5727 6520845 Electronics for BD35K compressor
5730 7020245 "on-off" switch
5739 7010139 Status indicator
5755 7060062 Fuse holder
5756 7020392-03 Thermometer, solar

Chunk 11

5718 7060105 Rocker Switch Cover
5727 6520845 Electronics for BD35K compressor
5730 7020245 "on-off" switch
5739 7010139 Status indicator
5755 7060062 Fuse holder
5756 7020392-03 Thermometer, solar
5801 8470156 Fuse 15A
5873 7090099 Fan 2 x receptacle
5926 3510032 Bottom grating
5928 3510029 Basket
5970 3010308-01 Motor screen
XXXX 1006571 Wire diagram
Subject to changes without prior notice.
1-N05467550910103 Version :...C Date :............. 02-03-2021 Approved by :.... ANG8
GB
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Complete spare part list VLS 094A SDDVLS 094A SDD3.1
Position Item number Item name
0061 0-6538001 Filter drier,
0087 0-6038175 Base plate fittings, complete
0129 8-036510223    Compressor - BD35K 101Z0211 10-45V - ECU 6520845
0899 7020311 Thermostat sensor
2170 0-A9301260103 Distance piece
5000 3010049 Drain plug
5013 3040400 Adjustable foot
5052 2041300 Fittings for condenser
5112 5000917084 Lid foamed without handle/hinges
5402 1510136 Hinge with spring
5450 3011135-01 Top part for hinge cover

Chunk 12

5013 3040400 Adjustable foot
5052 2041300 Fittings for condenser
5112 5000917084 Lid foamed without handle/hinges
5402 1510136 Hinge with spring
5450 3011135-01 Top part for hinge cover
5451 3010032-01 Bottom part for hinge cover
5605 304090501 Handle with lock (push and turn)
5606 8090342-94 Inlay for handle,
5682 1510046 Key, set - 2pc.
5683 2040145 Catch for handle
5684 3010265-01 Cover for catch
5685 600098801 Lock with keys,(push and turn)
5705 7020406 Temperature monitoring device
5709 7060104 Frame for cover rocker switch bezel
5712 702090013 Thermostat XR20CX incl. sensor
5718 7060105 Rocker Switch Cover
5727 6520845 Electronics for BD35K compressor
5730 7020245 "on-off" switch
5739 7010139 Status indicator
5755 7060062 Fuse holder
5756 7020392-03 Thermometer, solar
5801 8470156 Fuse 15A
5873 7090099 Fan 2 x receptacle
5925 3510031 Bottom grating
5928 3510036 Basket
5970 3010308-01 Motor screen
XXXX 1006571 Wire diagram
Subject to changes without prior notice.

Chunk 13

5801 8470156 Fuse 15A
5873 7090099 Fan 2 x receptacle
5925 3510031 Bottom grating
5928 3510036 Basket
5970 3010308-01 Motor screen
XXXX 1006571 Wire diagram
Subject to changes without prior notice.
1-N09467550910103 Version :...C Date :............. 25-01-2021 Approved by :.... ANG10
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Complete spare part list VLS 154A SDDVLS 154A SDD3.1
Position Item number Item name
0061 0-6538001 Filter drier,
0087 0-6038175 Base plate fittings, complete
0129 8-036510223    Compressor - BD35K 101Z0211 10-45V - ECU 6520845
0899 7020311 Thermostat sensor

Chunk 14

0061 0-6538001 Filter drier,
0087 0-6038175 Base plate fittings, complete
0129 8-036510223    Compressor - BD35K 101Z0211 10-45V - ECU 6520845
0899 7020311 Thermostat sensor
2170 0-A9301260103 Distance piece
5000 3010049 Drain plug
5013 3040400 Adjustable foot
5052 2041300 Fittings for condenser
5057 6010184 WOT condenser
5118 5000911154 Lid foamed without handle/hinges
5402 1510136 Hinge with spring
5450 3011135-01 Top part for hinge cover
5451 3010032-01 Bottom part for hinge cover
5605 304090501 Handle with lock (push and turn)
5606 8090342-94 Inlay for handle,
5682 1510238 Nikel-plated Key
5683 2040145 Catch for handle
5684 3010265-01 Cover for catch
5685 600098801 Lock with keys,(push and turn)
5705 7020406 Temperature monitoring device
5709 7060104 Frame for cover rocker switch bezel
5712 702090013 Thermostat XR20CX incl. sensor
5718 7060105 Rocker Switch Cover
5727 6520845 Electronics for BD35K compressor
5730 7020245 "on-off" switch
5739 7010139 Status indicator

Chunk 15

5712 702090013 Thermostat XR20CX incl. sensor
5718 7060105 Rocker Switch Cover
5727 6520845 Electronics for BD35K compressor
5730 7020245 "on-off" switch
5739 7010139 Status indicator
5755 7060062 Fuse holder
5756 7020392-03 Thermometer, solar
5801 8470156 Fuse 15A
5873 7090099 Fan 2 x receptacle
5907 3510015 Basket 236 mm
5923 3510028 Bottom grating
5970 3010308-01 Motor screen
XXXX 1006571 Wire diagram
Subject to changes without prior notice.
1-N15467550910103 Version :...C Date :............. 02-03-2021 Approved by :.... ANG12
GB
13
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Position     Item no      Description
0129         8-036510223      Compressor
5212    702090013      Thermostat
5727    6520845      Starting Device ECU
0899    7020956      Thermostat sensor Vital components
14
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Health and safety guidance – Warning!
Before any repair job be aware of following!
WARNING:
Before servicing or cleaning the appliance, 
disconnect it from power source.
WARNING: 
Danger risk of fire or explosion. Flammable

Chunk 16

Before any repair job be aware of following!
WARNING:
Before servicing or cleaning the appliance, 
disconnect it from power source.
WARNING: 
Danger risk of fire or explosion. Flammable 
refrigerant used. To be repaired only by 
trained personnel.
15
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Required basic tools
1. Flexible socket wrench 
2  Socket wrench -  size 7mm
3. Nose plier
4. Phillips screwdriver
5. Torx screwdriver - size t10+t20
6. Screwdriver - size 1,0x6,0
7.  Screwdriver – size 0,6x3,5 
8.  Multimeter
16
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Motor compartment
How to get access to the motor compartment.
Use a screwdriver to remove grille.
Unlock all 4 clamps and pull the compressor 
grille downwards.
17
GB
Thermostat replacement
The thermostat is placed to the left in the compressor 
compartment, fixed to the terminal bracket.
Top
Side
Front/Screen
Back
18
GB
Thermostat replacement
1. Dismount the 5 wires from ECU. Use a nose plier to grab the wire socket and pull gently.

Chunk 17

compartment, fixed to the terminal bracket.
Top
Side
Front/Screen
Back
18
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Thermostat replacement
1. Dismount the 5 wires from ECU. Use a nose plier to grab the wire socket and pull gently.
2. Loosen 4 screws for thermostat / fan bracket. Use the flexible socket wrench  size 7 mm.
19
GB
3. Gently pull out the thermostat bracket, by tilting out from bottom. 
4. Push clip on left and right side and pull out thermostat.
20
GB
5. Unplug connector for temperature probe.
6. Use a small screwdriver to loosen the cable 
lugs from thermostat socket.
7. Exchange the wires 1/1 from the old ther -
mostat to the new.
21
GB
Thermostat, Wire diagram
22
GB
Thermostat programming
                   To display target set point.
                   In programming mode it selects a parameter or confirm an operation.
                    
                    (DEF)  To start a manual defrost
                    (UP) To see the max stored temperature. In programming mode it

Chunk 18

(DEF)  To start a manual defrost
                    (UP) To see the max stored temperature. In programming mode it
                    browses parameters or increases the displayed value.
                    (DOWN) To see the min stored temperature. In programming mode it
                    browses the parameters or decreases the displayed value.
                   
                    To switch the instrument off, if onF = oFF
                    Not enabledSET
 
 
  +    
SET   +    
SET   +    To lock and unlock the keyboard
To enter in programming mode
To return to the room temperature display.Front panel commands
23
GB
Main functions 
How to see the set point
1. Push and immediately release the SET button. The display will show the set point value.
2. Push and immediately release the SET button or wait for 5 seconds to display the probe 
value again.
How to change the set point

Chunk 19

2. Push and immediately release the SET button or wait for 5 seconds to display the probe 
value again.
How to change the set point
1. Keep SET button pressed more than 2 seconds to change the set point value.
2. The value of the set point will be displayed and the “°C” or “°F” LED starts blinking.
3. To change the set point value push the UP or DOWN buttons.
4. To memorize the new set point value push the  SET  button again or wait for 10 sec.
How to change a value
To change the parameter´s value operate as follows:
1. Enter the programming mode by pushing SET + DOWN  for 3 sec. The “°C” or “°F” LED 
start blinking.
2. Select the required parameter. Press the “SET” key to display its value
3. Use UP or DOWN  to change its value.
4. Press SET to store the new value and move to the following parameter.
To exit: Press SET + UP or wait for 15 sec without pressing a key.
NOTE : Factory default set point for VLS 024/054/094/154 SDD = 3 °C 
24
GB
Starting device ECU replacement

Chunk 20

To exit: Press SET + UP or wait for 15 sec without pressing a key.
NOTE : Factory default set point for VLS 024/054/094/154 SDD = 3 °C 
24
GB
Starting device ECU replacement
Starting device: Back, Front with terminal 
board.The starting device is mounted to the left 
side of the compressor.
1. Loosen the Phillips screw a couple of 
turns.2. Place a screwdriver in the small vent in 
the plastic cover.
25
GB
3. Unclick plastic cover/starting device from 
compressor bracket.4. Use a screwdriver to disconnect the 
socket from compressor.
26
GB
Thermometer replacement
2. Remove the wire sealing and the 
sensor from the cover.
1: Dismount the temperature sensor cover 
by loosen the 2 x torx screws – size 10.The thermometer sensor is placed inside 
the compartment of the appliance.
The thermometer is placed in at the front of 
the appliance.Thermometer display.
3. Remove black sealing tar-kit and gently 
pull the white wire until the probe is 
visible.  
27
GB

Chunk 21

The thermometer is placed in at the front of 
the appliance.Thermometer display.
3. Remove black sealing tar-kit and gently 
pull the white wire until the probe is 
visible.  
27
GB
4. Temperature sensor. 5. Thermometer comes with wire 
and sensor.
Tar kit
7. IMPORTANT!
 When re-mounting the new ther -
mometer remember to properly 
seal the wire feed through.6. IMPORTANT!  When re-mounting 
the new thermometer make sure 
the wire sealing plug is placed 
properly.
28
GB
Thermostat sensor replacement
3. Unplug the probe connector from 
thermostat.
4. Remove 
black 
sealing 
tar-kit and 
gently pull 
the black 
wire until 
the probe 
is visible.2. Remove the wire sealing and the 
sensor from the cover.
1: Dismount the sensor cover by loosen the 
2 x torx screws – size 10.The thermostat sensor is placed inside the 
compartment of the appliance.
5. Thermostat 
temperature 
sensor.
29
GB
Tar kit
7. IMPORTANT!
    When re-mounting 
the new thermometer 
remember to properly

Chunk 22

compartment of the appliance.
5. Thermostat 
temperature 
sensor.
29
GB
Tar kit
7. IMPORTANT!
    When re-mounting 
the new thermometer 
remember to properly 
seal the wire feed 
through.6. The thermostat sensor comes with probe, 
wire and cable socket.
Probe
Cable sockets 
8. IMPORTANT! When re-mounting the 
new thermometer make sure the wire 
sealing plug is placed properly.
30
GB
Fan replacement
2.  Loosen the 2 screws with a 
torx 20.
3. Unplug the thin red wire from the fan 
on the terminal board using a nose 
plier and the thin black wire on the 
ECU from the socket marked F (Fan).4. Unplug the thin the thin black wire on 
the ECU from the socket marked F 
(Fan).The fan is placed in the motor 
compartment on the fan/thermo -
stat bracket.
1. Dismount the fan/thermostat 
bracket as described in section 
”thermostat replacement”.
31
GB
Fuse replacement
Use the small fuse- tool supplied together 
with spare fuses in the small plastic bag 
together with appliance.

Chunk 23

bracket as described in section 
”thermostat replacement”.
31
GB
Fuse replacement
Use the small fuse- tool supplied together 
with spare fuses in the small plastic bag 
together with appliance. 
Pinch the tool to the fuse
Pull the tool and fuseIf the fuse is burned. It need to be replaced. 
The fuse is placed in the compressor com -
partment at the terminal box.
32
GB
Compressor replacement
Procedure of compressor switch. 
1: WARNING! Drain coolant R600a from 
refrigeration system by vacuum suction.
2: IMPORTANT!  Blow refrigeration system 
with NO/Nitrogen
3: Cut
    A: Suction and pressure tube
    B: Capillary tube
    C: Dry filter
4: Dismount starting device ECU
5: Dismount old compressor
6: Insert new compressor
7: Solder
    A. Suction and pressure tube
    B. Capillary tube
    C. Dry filter
8: Install starting device ECU
IMPORTANT! When solder copper tubes to 
iron tubes use silver tin
Filling of new refrigerant
9: Drain refrigeration system by vacuum 
suction

Chunk 24

C. Dry filter
8: Install starting device ECU
IMPORTANT! When solder copper tubes to 
iron tubes use silver tin
Filling of new refrigerant
9: Drain refrigeration system by vacuum 
suction
10: Check type sticker for required amount 
of R600a to fill on refrigerant system
33
GB
On-site checklist
 ●Is the green diode in the control panel on 
(Power check) 
 ●Temperature records ( manual records, 
FT2 data)
 ●Is the internal temperature inside the 
acceptable range of +2° to +8°
 ●Is the vaccine compartment clean and 
without condensation (water)
 ●Is the Compressor running
 ●Is baskets used and in place
 ●Is the appliance placed according to 
instruction in the manual.
 ●Does the lid close tight to cabinet and is 
the lid gasket in good condition
 ●Is the grille for compressor compartment 
clean
 ●Is the condenser coils on the backside 
clean
 ●Is all electrical components working 
properly
 ●Over all condition of the cabinet –internal 
and external: any corrosion, rusting, 
cracks

Chunk 25

clean
 ●Is the condenser coils on the backside 
clean
 ●Is all electrical components working 
properly
 ●Over all condition of the cabinet –internal 
and external: any corrosion, rusting, 
cracks
 ●PV Panels clean and mounted according 
instructions
 ●PV Panel installation/condition
 ●Check if any risk of shading on the PV 
Panels
 ●Condition of the cables from the panel to 
the compressor including the lightening 
protection
34
GB
Trouble shooting
Fault Possible cause Remedy
Compressor is not 
running.Be patient, it is most likely that 
the compressor will start within a 
few minutes.If this is not the case, check the 
following:
- Check that power is connected 
and that the wire from the solar 
panel to the appliance is intact.
- Check the fuse and replace it if 
necessary.
- If the above is OK, call techni -
cal supervisor.
Compressor is run -
ning, and the tempe -
rature is too high.The ventilation grille is blocked.
The lid is not closed properly.
The fan in the compressor com -

Chunk 26

cal supervisor.
Compressor is run -
ning, and the tempe -
rature is too high.The ventilation grille is blocked.
The lid is not closed properly.
The fan in the compressor com -
partment is blocked or defective.
The temperature in the room in 
which the appliance is installed is  
too high.Ensure unhindered air circula -
tion.
Ensure that the lid is closed 
properly.
Check that the fan is running, if 
not it should be replaced. 
Shield the appliance against 
direct sun light and ensure more 
ventilation to the room.
Temperature in VLS 
SDD is too low.To low set point on digital control -
ler.Turn to page 23/24 in terms of 
getting details on how to adjust 
thermostat setpoint.
No temperature is 
displayed.There is not enough light for the 
solar sensor.Turn on the light.   
No light in green 
diode during day 
time.Switch is turned OFF
Fuse is burned
Diode is defectTurn on the switch.
Replace the fuse.
Replace diode.
35
GB
Diagnostic
Trouble shooting VLS SDD
No cooling during 
daytime

Chunk 27

diode during day 
time.Switch is turned OFF
Fuse is burned
Diode is defectTurn on the switch.
Replace the fuse.
Replace diode.
35
GB
Diagnostic
Trouble shooting VLS SDD
No cooling during 
daytime
or high temp 
inside cabinet"*" in display
Controller display on? R=0 on wires to 
C and TVoltage >17V 
on compressorChange 
compressor 
ECU
NO
YESYES
Compressor running?
(Place hand on 
compressor)NO
Discharge tube hot?YES
Refrigerant charge 
lost.  Search for leak, 
repair and recharge
NO
Cooling system seems to 
work.
Check the lid is sealing 
tight to the top frameSwitch on  front panel 
turned on?
NOYES
Switch on
YESVoltage >17V on 
compressorNO
Power wires to 
controller are ok ?YESYESYES
Check SP and Hy 
(SP=3 Hy=0.1)
Check power 
wires to from PV 
panelsNOWire connection 
on back of 
controller OK? Check wire 
connection on 
terminal board
NONO
Replace 
controller
Fix wiresYESReplace 
controller
Fix wires
36
GB
No cooling during 
daytime
or high temp 
inside cabinet"*" in display

Chunk 28

controller OK? Check wire 
connection on 
terminal board
NONO
Replace 
controller
Fix wiresYESReplace 
controller
Fix wires
36
GB
No cooling during 
daytime
or high temp 
inside cabinet"*" in display
Controller display on? R=0 on wires to 
C and TVoltage >17V 
on compressorChange 
compressor 
ECU
NO
YESYES
Compressor running?
(Place hand on 
compressor)NO
Discharge tube hot?YES
Refrigerant charge 
lost.  Search for leak, 
repair and recharge
NO
Cooling system seems to 
work.
Check the lid is sealing 
tight to the top frameSwitch on  front panel 
turned on?
NOYES
Switch on
YESVoltage >17V on 
compressorNO
Power wires to 
controller are ok ?YESYESYES
Check SP and Hy 
(SP=3 Hy=0.1)
Check power 
wires to from PV 
panelsNOWire connection 
on back of 
controller OK? Check wire 
connection on 
terminal board
NONO
Replace 
controller
Fix wiresYESReplace 
controller
Fix wires
37
GB
Technical support
When contacting Vestfrost Solutions technical support 
please supply below information:

Chunk 29

terminal board
NONO
Replace 
controller
Fix wiresYESReplace 
controller
Fix wires
37
GB
Technical support
When contacting Vestfrost Solutions technical support 
please supply below information:
1. Model 
2. Serial number
3. What is the issue 
Contact:
Vestfrost Solutions
Tel. +45 75142250
cce-service@vestfrostsolutions.com
Or visit our service-center webpage:
http://www.vestfrostsolutions.com/service-center/  
Rating plate
Serial no. 
Model
38
GB
Recycling procedures
Information for Users on Collection
and Disposal Old Equipment and
used Batteries
This symbol on the products, packaging, and/or accompanying documents 
mean that used electrical and electronic products and batteries should not 
be mixed with general household waste. For proper treatment, recovery and 
recycling of old products and used batteries, please take them to applicable 
collection points, in accordance with your national legislation and the Directives 
2012/19/EU and 2006/66/EC.

Chunk 30

recycling of old products and used batteries, please take them to applicable 
collection points, in accordance with your national legislation and the Directives 
2012/19/EU and 2006/66/EC.
By disposing of these products and batteries correctly, you will help to save 
valuable resources and prevent any potential negative effects on human health 
and the environment which could otherwise arise from inappropriate waste 
handling.
For more information about collection and recycling of old products and batter -
ies, please contact your local municipality, your waste disposal service or the 
point of sale where you purchased the items.
Penalties may be applicable for incorrect disposal of this waste, in accordance 
with national legislation.
39
GB
8195076 rev 02