FW 3000
Troubleshooting
EN
11
No heating
capacity
The under-bench air conditioner is not set to
heating.
➤
Set the under-bench air conditioner to
heating.
The ambient temperature is below 0 °C.
The under-bench air conditioner is only
designed for ambient temperatures higher
than 0 °C.
The temperature set is lower than the room
temperature.
➤
Select a higher temperature.
The ambient temperature is higher than
31 °C.
The temperature is adjustable between
16 °C and 31 °C.
The thermal protection is defective.
➤
Contact an authorized workshop.
The compressor is damaged.
The refrigerating agent filling is insufficient.
The heat exchange coils are polluted.
The external blower is defective.
Low air output
The air filter is obstructed.
➤
Clean the air filter.
The heat exchange coils are polluted.
➤
Contact an authorized workshop.
The internal blower is defective.
Water enters the
vehicle
The condensation water drainage openings
are clogged up.
➤
Clean the drainage openings for con-
densation water.
The seals are damaged.
➤
Contact an authorized workshop.
Under-bench air
conditioner
does not switch
on.
No supply voltage (230 V
w
) connected.
➤
Check the power supply.
The voltage is too low (under 200 V
w
).
The voltage converter is defective.
➤
Contact an authorized workshop.
The defective thermal protection is defective.
The electrical fuse of the power supply is too
low.
➤
Check the electrical fuse of the power
supply.
Under-bench air
conditioner
stops working.
The air filter is obstructed.
➤
Clean the air filter.
The voltage is too low (under 200 V
w
).
The voltage converter is defective.
➤
Contact an authorized workshop.
The defective thermal protection is defective.
The condenser fan is damaged.
The heat exchange coils are polluted.
The external blower is defective.
Under-bench air
conditioner
does not switch
off.
One of the temperature sensors is defective.
➤
Contact an authorized workshop.
Problem
Cause
Remedy
DometicFreshWell3000_INM_4445101819_EMEA16_xxxx-xx-xx.book Page 11 Thursday, January 19, 2023 12:51 PM
