TCL U-MATCH-R32 Series User Manual

TCL U-MATCH-R32 SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
91
3.3 Trouble Shooting
3.3.1 E0 ---IDU & ODU communication failure
Start
Display E0
If IDU wiring
connection correct ?
No
Check and re-
No
connect E0 disappear?
Yes
Yes No
Check communication
wiring and the connection,
in good condition?
No
Replace/ re-
connect
E0 disappear?
Yes
No
Yes
No
ODU wiring
Connection correct?
Yes
Check and re-
connect
E0 disappear?
Yes
No
Check voltage from No
IDU、ODU terminal btw
L,N. is there
220-240V?
Yes
Check the power
supply connection
Replace or
reconnect
No
E0 disappear?
Yes
Yes
Is the ODU PCB
LED4 ON?
No
ON
constantly
Replace ODU PCB
End
Replace IDU
PCB
Flash

TCL U-MATCH-R32 Series Specifications

General

Brand	TCL
Model	U-MATCH-R32 Series
Category	Air Conditioner
Language	English