RUC5(x)08X, RUC6(x)08X, RUC8(x)08X Troubleshooting
39
11 Troubleshooting
Problem Possible cause Suggested remedy
Poor cooling perfor-
mance. The refrigerator
does not reach the set
cooling temperature or
exceeds the set cooling
temperature.
The ventilation around the
cooling unit is not suffi-
cient.
➤ Check that no ventilation grille or roof vent is
obstructed.
➤ Check that the required clearances for the air
inlet vent and air outlet vent have been main-
tained during installation.
The door seals are dam-
aged or have slipped.
➤ Check the door seals for damage and correct fit.
The fan is defective. ➤ Replace the fan.
The control sensor is
defective.
➤ Contact an authorized service agent.
The temperature at the
compressor is too low (<0
°C).
➤ Close/cover all external ventilation grilles com-
pletely with insulation material.
The evaporator is iced up. ➤ Check whether the refrigerator door is closes
properly and the seals are not damaged.
➤ Defrost the refrigerator.
The condenser is dirty. ➤ Clean the condenser.
The ambient temperature
is too high.
➤ Temporarily remove the ventilation grille to allow
the warm air to escape more quickly.
➤ Ensure a lower ambient temperature.
Too much foodstuff was
placed in the refrigerator at
once.
➤ Reduce the contents of the refrigerator.
Too many hot foods were
placed in the refrigerator at
once.
➤ Remove the warm food and leave it to cool down
before putting it in again.
The refrigerator has not
been in operation for very
long.
➤ Check the temperature again after 4–5 hours.
Water leaks into the inside
of the refrigerator.
The water drainage system
is blocked by foodstuff.
➤ Remove the blocking foodstuff.
The water drainage system
is clogged with dirt.
➤ Remove any dirt from the drain opening and the
drain pipe.
Water leaks onto the floor. The water drain hose is
damaged.
➤ Check the drain water hose for leaks. Repair the
hose or replace it if necessary.
The water drain hose is not
routed outside the vehicle.
➤ Route the hose to the outside of the vehicle (see
chapter “Installing the drain water hose” on
page 22).
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