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6.2 Mainboard
6.2.1 Checking method
If the problem is probably caused by the mainboard, change it directly to confirm.
6.2.2 Removing the mainboard
1. Unplug the appliance
2. Remove the screws by screwdriver and remove the electric box cover, as picture 1.
3. Remove the screw, then remove the mainboard, as picture 2.
Picture1
Picture2
●
6.3 Compressor
6.3.1 Basic parameters
Input voltage/frequency:100-120V/60Hz
Input power:≤300W
6.3.2 Checking method
1. Power on the Refrigerator, when the cooling fan is working, Check if the compressor is
working .If not, remove the electric box cover and check.
2. Check the connecting wiring between compressor and mainboard and repair if it is
broken.
3.Use a multimeter to measure voltage between N label and COMP label on CN2（Pin.1
and Pin No.5）connector of mainboard ,then measure frequency of CN8 connector(pin
No.1 and pin No.2).If the voltage equal to electric supply power and there is stabilized
frequency, it means the compressor is broken, change it; If not, change the mainboard.
Hisense Refrigerator
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