
SM619PHA-03 Specifications subject to change without notice.
35
P2 (High temperature protection of IPM module diagnosis and solution)
Description:
If the temperature of IPM module is higher than limited value, the LED displays this failure code.
Recommended parts to prepare:
• Faulty PCB
• Connection problems
Troubleshooting and Repair:
Check the fastening screws on the
PCB and IPM radiator.
Are they
fixed tightly?
Replace the outdoor
control PCB.
Tighten the screws and apply
silicon grease.
NO
YES