15 May 63

Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE UA

Solution: MULTIPLE SOLUTIONS

Cause: MISMATCH BETWEEN INDOOR AND OUTDOOR UNIT

Remarks:

REPAIR:

1) VOLTAGE OF UNITS IS MISMATCHED:

SOLUTION 1) PLEASE USE THE CORRECT POWER SUPPLY

2) CONNECTION WIRING OF POWER IS NOT OK:

SOLUTION 2) MAKE SURE THE CONNECTION WIRING OF POWE IS CORRECT

3) PCB OF OUTDOOR UNIT IS DAMAGED:

SOLUTION 3) REPLACE IT WITH A NEW CORRESPONDING PCB OF OUTDOOR UNIT

4) MISMATCH BETWEEN INDOOR AND OUTDOOR UNIT:

SOLUTION 4) ADJUST THE MATCH BETWEEN INDOOR AND OUTDOOR UNIT