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4.13. TS12-S
Description: Inverter compressor drive error. An abnormal inverter compressor drive is detected by a special detection
circuit that includes communication signal detection, voltage detection and compressor rotation speed signal detection.
Possible Affected Components: Connection wires, IPM module board, outdoor fan assembly, compressor or outdoor
PCB.
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