Dometic DS 450 - Troubleshooting Guide

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3. TROUBLESHOOTING GUIDE
You can solve many common fridge problems easily, saving you the cost of a possible service call.
Try the suggestions below to see if you can solve the problem before calling the servicer.
The fridge is operated by compressor and the internal temperature is reached by the circulation of the
refrigerant in the pipeline. During the cooling process, the fluid of refrigerant may generate some flowing
sound. Contraction and expansion of the inside walls may also cause popping and crackling noise. The
sound during the circulation is normal.
Moreover, the start and stop of the operation of compressor may incur buzzing sound. The electrical
components may also cause some “clattering” and “boh” sound due to their constant connection or
disconnection. All these light sounds are normal. To help minimize them, it is advised to adjust the level
of the fridge by turning the adjustment leg under the cabinet.
If you are unable to solve a problem yourself, get in touch with customer services.
PROBLEM POSSIBLE CAUSE SOLUTION
Fridge does not
operate.
Not plugged in.
The appliance is turned off.
The circuit breaker tripped or a blown fuse.
Plug the unit.
Check the breaker and/or fuses.
Fridge is not cold
enough.
The setting not high enough.
The door is opened too oen.
The door is not closed completely.
The door gasket does not seal properly.
Too much goods stored.
Check the temperature control setting.
Close the door properly.
Check the door gasket.
Store less food.
The compressor turns
on and off frequently.
The fridge is overloaded.
The door is opened too oen.
The door is not closed completely.
The temperature control is not set correctly.
The door gasket does not seal properly.
Close the door properly.
Check the temperature setting.
Check the door gasket.
The fridge seems to
make too much
noise.*
The fridge is not levelled
Check to assure that the fridge is level. Adjust
feet to make it level if the ground is uneven.
The rattling noise may come from the flow of
the refrigerant, which is normal. As each cycle
ends, you may hear gurgling sounds caused
by the flow of refrigerant in your fridge.
Contraction and expansion of the inside walls
may cause popping and crackling noises.
The door will not close
properly.
The door was reversed and not properly
installed.
The gasket is dirty.
The shelves are out of position.
Level the fridge.
Close the door properly.
Clean the door gasket.
Place the shelves properly.