16 May 96

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

Solution: REPLACE THE OUTDOOR UNIT PCB

Cause: COMPRESSOR PHASE CURRENT TEST CIRCUIT FAILURE

Remarks:

DESCRIPTION:

1.65V BIAS VOLTAGE OF THE AMPLIFYING CICUIT FOR THE COMPRESSOR PHASE CURRENT TESTS ABNORMAL.

REPAIR:

1) PLEASE REPLACE THE OUTDOOR UNIT PCB