4
3
9.3.9 High temperature protection of IPM module diagnosis and solution
(P2)
Error Code
P2
Malfunction decision
conditions
If the sampling voltage is not 5V, the LED will display the failure.
Supposed causes
●
PCB faulty
Trouble shooting:
Yes
Tighten the screws and apply
silicon grease.
Tighten the screws and apply
silicon grease.
Replace the outdoor control PCB.
Replace the outdoor control PCB.
No
Check if the fastening screws
on the PCB and IPM radiator
are fixed tightly.
Check if the fastening screws
on the PCB and IPM radiator
are fixed tightly.
Summary of Contents for CH-09DKT230VI
Page 29: ...27 IPM board TO MAIN W connecttothecompressor V OVAC standby 10 200VAC running...
Page 41: ...39 P W N U...
Page 42: ...40 N V N W...
