Carrier 38MHRC - Zero Crossing Detection Error Diagnosis and Solution (E2)

38MHRC: Service Manual
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DIAGNOSIS AND SOLUTION (CONT)
Zero Crossing Detection Error Diagnosis and Solution (E2)
Description: When the PCB does not receive a zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal.
Possible causes:
• Connection mistake
• Faulty PCB
Troubleshooting
A210597