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This is a Bosch KGN33VOOGB frost free fridge freezer.
Neither fridge nor freezer is getting cold because the evaporator fan is not running, but the compressor runs continually and the evaporator gets coldThe appliance has been switched off for several weeks but today I plugged it in to test it. I noticed that the defrost heater underneath the evaporator came on when the appliance was started. Can anybody tell me if this is normal on a Bosch, and whether the defrost heater being switched on means that the evaporator fan can’t run? If the heater is not meant to come on at start-up, does this suggest a thermostat fault or a defrost timer fault?
Re: Bosch fridge freezer not cooling but compressor runs
I have now investigated further and discovered that the defrost heater is on all the time. If I unplug the thermal fuse the heater stops and the evaporator cools, but the evaporator fan still doesn’t run. Am I right in thinking that this indicates a control board fault?
If the control board is faulty, does anybody in the uk offer a repair service? A new Bosch part is prohibitively expensive.
Re: Bosch fridge freezer not cooling but compressor runs
Thanks Gary. I’ve found QER via a Google search.
The next problem is locating and removing the control board. I’m assuming it is behind the control panel at the top of the fridge, but I can’t see how to remove it. The panel has only 2 buttons. The on/off button works but nothing at all happens when I press the temperature button. This seems to confirm that I have a control board problem but I’m still reluctant to gamble on buying a new one without further testing.
Can anybody help?
The control
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