Hisense RD-31WC4S series Service Manual page 7

such as: " 1, 2, .. 7" :
If there shows "000"then the thermostat is OK
If there shows anything but "000"then the thermostat is always at OFF Position and compressor
will not start ever.
Use a multi-meter to test the resistance between L & H and C&H when the thermostat is at shut
position such a s "0":
If there shows no response then the thermostat is OK
If there shows anything (have response) then the thermostat is always at ON Position and the
compressor will keep on working and will not stop ever.
Put the sensor pipe of the thermostat in the freezer compartment like the below pic shows.
Put the thermostat at Max 7 position and let it keep this position for 20 minutes.
Turn the knob from 7 to 1 slowly
If you can feel a stop signal like kind of noise of "da"the thermostat is ok.
If there is no stop signal then the thermostat is always at ON position and the compressor will keep
on working and will not stop.