Kaysun combo type KHP 15/190 ACS1 Manual MCAC-RTSM-2017-09
28
P3
Notes:
When the compressor running for 10 minutes, the discharge temperature is not higher 10 than
evaporator temperature, compressor abnormally stopped protection P3 active.
Compressor abnormally stopped protection
System is lack of refrigerant.
(Refrigerant recharging is not according to the
requirement, or there has refrigerant leakage)
Add refrigerant or check up
the leakage of the system
Check whether the control signal of
compressor can be supply by PCB
Replace the compressor
Check whether the sensor port on PCB is loose or
sensor defective (Tp & T3)
Fasten the port or
replace the sensor
No
No
No
Yes
Yes
Yes
No
Yes
Check whether the power line of compressor is broken
Check whether the capacitance of the
compressor is ineffective
Replace the wire
Replace the capacitance
Yes
Replace PCB
No