16 May 92

Symptom: MGTC-20, DXTC-20, DXTH-20 – ERROR CODE F6

Solution: MULTIPLE SOLUTIONS

Cause: THE COMPRESSOR LACK OF PHASE/ ANTI-PHASE PROTECTION

Remarks:

DESCRIPTION:

IF THE OUTDOOR UNIT PCB CANNOT DETECT ONE- OR EVEN THREE-PHASE OF COMPRESSOR CURRENT, THE F6 PROTECTION CODE WILL BE DISPLAYED.

REPAIR:

1) CHECK THE WIRING(S) AND THE CONNECTION TO COMPRESSOR. IF NEEDED, PLEASE FIX IT

2) IF THERE IS NO PROBLEM WITH THE WIRING CONNECTION, PLEASE CHECK THE COMPRESSOR CURRENT TEST CIRCUIT. IF NEEDED, PLEASE REPLACE THE OUTDOOR UNIT PCB

3) IF THE PROBLEM REMAINS AFTER THE PREVIOUS INSPECTIONS MENTIONED ABOVE, PLEASE INSPECT THE COMPRESSOR