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Symptom: DXF-19, DXH-19, MGC-19 – ERROR CODE E2

Solution: MULTIPLE SOLUTIONS

Cause: ZERO CROSSING SIGNAL DETECTION ERROR

Remarks:

DESCRIPTION:

WHEN PCB DOES NOT RECEIVE ZERO CROSSING SIGNAL FEEDBACK FOR 4 MINUTES OR THE ZERO CROSSING SIGNAL TIME INTERVAL IS ABNORMAL.

REPAIR:

1) CHECK THE CONNECTIONS AND POWER SUPPLY:

IS IT NORMAL?

NO = CORRECT THE CONNECTIONS. TURN ON THE UNIT WHEN THE POWER SUPPLY IS GOOD
YES = INDOOR MAIN PCB IS DEFECTIVE. REPLACE THE INDOOR MAIN PCB