Check Parts Unit - Pioneer YH024GHFI18RT2 Technical & Service Manual

15. CHECKING COMPONENTS

15.2 Check parts unit

1. Outdoor unit fan motor
DC motor
24K: ZWK511A805001
36K/60K: SIC-71FW-F8121-1
2. Compressor
Compressor examination and repairing
24K/ 36K : EATF250D22UMT
60K: EATF400D64UMTA
Power
Test in resistance.
TOOL: Multi-meter.
Test the resistance of the winding. The compressor fails if the resistance of winding is 0
(short circuit)or∞(open circuit).
Familiar error:
1) Compressor motor lock.
2) Discharge pressure value approaches static pressure value.
3) Compressor motor winding abnormality.
DC Inverter
&
Controller
62
Thermal Sensor
Compressor