TCL U-MATCH-R32 SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
104
Display H6
Check the pipe
connection, any gas
leakage?
No
Check the room &
evaporator coil
temperature.
Yes
Repair and charge
new gas as SPEC.
Is the temperature
difference more than
2
℃
btw RT & IPT after
unit start 10min.?
No
Any of the evaporator
pipe blocked
No
Yes
Yes
Yes
Problem solved?
No
The sensor well
connect to PCB?
No
Yes
Re-connect
the sensor open
or short circuit?
Replace the sensor
Is malfunction
eliminated?
Yes
No
Replace the indoor
PCB
End
3.3.16 H6--- Gas leakage protection
After compressor works in high frequency for 9 min, if the temperature on IDU evaporator & ODU
condenser has only a little variation comparing previous, but, the compressor discharge temperature on high
level, then the unit will show H6 failure code.
Replace the
evaporator
