TCL U-MATCH-R32 Series User Manual

TCL U-MATCH-R32 SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
103
3.3.15 J6---Module temperature protection.
IPM overtemperature protection, when IPM temperature more than 95℃, it will show J6.
Display J6
IPM well contact
No
to heat sink?
Any dust or gap btw
IPM & heat sink?
Yes
Yes No
Check the screw
fully fasten?
No
Fix the screw
Yes
F7 disappear?
No
Yes
ODU cooling system
abnormal? Compressor
with big running current?
(18,24K:7-9A,
30,36K(1-Phase):11-14A
36,42K(3-Phase):16-19A)
Yes
Low pressure normal?
（0.8-1.2Mpa）
No
Yes
No
Is the 2/3way valve
fully opened?
No
Open the valve
Yes
Yes
Capillary blocked?
No
F7 disappear?
No
Replace capillary
Yes
End
Yes
Clean condenser /
evaporator
Condenser /
evaporator dirty?
No
IPM temperature
circuit abnormal?
Clean or adjust the gap
btw IPM and heat sink
Replace ODU PCB
End

TCL U-MATCH-R32 Series Specifications

General

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