61

Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE L9

Solution: MULTIPLE SOLUTIONS

Cause: OVERPOWER PROTECTION

Remarks:

DESCRIPTION:

*AC UNIT IN COOLING MODE: THE COMPRESSOR AND OUTDOOR FAN STOP OPERATING WHILE THE INDOOR FAN WILL CONTINUE TO OPERATE.

REPAIR:

1) OVERPOWER DUE TO OVERLOADING:

SOLUTION 1) THIS IS A NORMAL PROTECTION. CHECK IF THE POWER OF THE OUTDOOR UNIT IS CLOSE TO THEIR CAPACITY FACTOR (LIMIT)

2) OUTDOOR FAN IS NOT OK:

SOLUTION 2) CHECK IF THE FAN TERMINAL IS WELL CONNECTED OR NOT. IF NOT, PLEASE RECONNECT. IF THE CONNECTION IS OK, PLEASE REPLACE THE OUTDOOR FAN OR REPLACE THE PCB

3) OUTDOOR AMBIENT TEMPERATURE IS HIGH:

SOLUTION 3) THIS IS A NORMAL PTOTECTION WHEN THE OUTDOOR AMBIENT TEMPERATURE IS HIGHER THAN 53 DEGREES CELCIUS. PLEASE START OPERATION WHEN THE OUTDOOR AMBIENT TEMPERATURE IS IMPROVED