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4.11. TS09-S
Description: IPM malfunction or IGBT high current protection. When the IPM voltage signal to the compressor drive
chip is abnormal, the LED displays the failure code and the system will turn off.
Possible Affected Components: Outdoor PCB, compressor, outdoor fan assembly, IPM module board or connection
wires.
Troubleshooting and Repair:
NOTE: On various models the outdoor PCB can not be removed separately. In this situation the entire outdoor electric
control box should be replaced
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