Haier AD140S2SM3FA - Page 239

236
[8] Discharging Temperature Overheating
Reconnect
Check if sensor is xed well
If sensor resistor/
characteristic is
proper
Check if the system is
clogged
Check if the PMV coil is ok
Check if stop valve is open
Replace pressure switch
Check the piping system
Charge refrigerant
Check the piping system
Reconnet
Y
N
Y
Y
N
Y
N
N
Y
N
N
Check if the ambient temperature
is too high
Replace connecting board
Y
N
If the system is lack of
refrigerant