Normal With First Switching On Or Power Failure - Electrolux FROST REFRIGERATORS with ERF2021 electronic Service Manual

The arrows in the picture indicate the current path.
In case of fault when the appliance is switched on for the first time or in case of a power failure, one of the two
conditions described below occurs:
1. If the internal temperature is higher or the same as the sensor cut-in temperature (CUT-IN),
when the power is restored, the electronic board activates the compressor and the fan till the set
temperature is reached and after 5 hours the electronic board activates the defrosting procedure
(after the compressor cut-out).
2. If the internal temperature is lower than the sensor cut-in temperature (CUT-IN), when the power
is restored, the compressor functions in thermostatic conditions and after 5 hours the electronic
board activates the defrosting procedure (after the compressor cut-out).
The electronic board activates, in any case, the defrosting procedure 5 hours after the first switching on and after
a power failure.
PARTIAL NO FROST REFRIGERATORS with ERF2021 electronic

7.2. Normal with first switching on or power failure

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