TCL Free Match TAC-12CHSD/XA41-I - Malfunction Check Method: Overview; IPM;Compressor Malfunction Check Procedure

Air Conditioner Service Manual
41
11.4 MALFUNCTION (PARTS) CHECK METHOD
11.4.1 Procedure for determining defective outdoor unit IPM/compressor
The following flow chart shows a procedure for locating the cause of a malfunction when the compressor
does not start up and a DC overcurrent indication error occurs.
Clean indoor or outdoor
heat exchange
Clean indoor heat exchange
and outdoor heat exchange
Check the refrigerant
amount
Check the installation condition
Installation again
P9
Use the remote operates
the air conditioner
Does compressor start up
No
Does the wire
connects right
No
Connects wire
again
Yes
Open
Does low or high press
valve opened
Operates again after 3 Mins
Yes
Yes
No
Compressor star up
Yes
Does indoor unit LED
display error code.
Normal
No
Replace the
inverter PCB
Normal
Yes
No
Replace the compressor
P0
Does compressor start
Does the wire
connects right
Connects wire
again
Replace the inverter PCB
Normal
No
Yes
Normal
Normal
Add gas
Not enough