TCL U-MATCH-R32 Series

TCL U-MATCH-R32 SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
102
3.3.14 HE The Compressor Lack of phase / Anti-phase protection.
If ODU PCB can’t test one, or even three phase of compressor current, it will show HE protection.
Display HE
Check compressor
wiring connector, is
it well connected?
No
Re-connect
Yes
No
Problem solved?
Yes
The Compressor
wiring in good quality?
No
Replace the wires
Yes
No
Problem solved?
Yes
Compressor phase-
current test circuit failure
Replace ODU PCB
Yes
Problem solved?
No
Replace compressor
End