Advertisement
After the u nit
de-energized
for 20min
If the overload protector SAT
is well connected?
Under ambient temperature, test the
resistance of overload protector with ohmic
meter, the resistance value<10000Ω
If the wiring terminal FA of electron
N
expansion is well connected?
Check if the coil of electron
expansion is installed on the
valve normally
Check if the expansion valve
Replace overload
is blocked
protector SAT
Remove
malfunction?
Check refrigerant, if there is leakage,
please refer to specification
Remove
malfunction?
check if the discharge temp
sensor is normal according to the
resistance sheet
Replace control
board
End
Y
Y
N
Y
Y
N
Y
N
Replace discharge
N
temp sensor
Y
N
Connect the wire
well according to
wiring disgram
Advertisement
