View of power board (components side):
PARTIAL NO FROST REFRIGERATORS with ERF2021 electronic
6.2.a. Power control board ERF2021
1. line
2. compressor
3. neutral
4. free
5. balancing heater
1. fan line
2. fan neutral
3. defrosting heater neutral
4. defrosting heater line
1. free
2. free
3. freezer door switch
4. freezer door switch
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