47

Symptom: DXG-18, DXH-18, MGC-18 – ERROR CODE H0

Solution: MULTIPLE SOLUTIONS

Cause: DECREASED FREQUENCY DUE TO HIGH TEMPERATURE RESISTANT DURING HEATING OPERATION

Remarks:

DESCRIPTION:

ALL SYSTEMS OPERATE NORMALLY, WHILE THE OPERATION FREQUENCY FOR THE COMPRESSOR IS DECREASED.

REPAIR:

1) THE SUPPLY VOLTAGE IS NOT STABLE. IT SHOULD BE 90%-110% RATED VOLTAGE:

SOLUTION 1) CHECK IF THE SUPPLY VOLTAGE IS TOO LOW. IF YES, PLEASE ADJUST IT

2) THE VOLTAGE IS TOO LOW, THE LOAD IS TOO HEAVY:

SOLUTION 2) CHECK IF THE BURTHEN IS TOO HEAVY. IF YES, PLEASE DECREASE THE LOAD

3) TEST THE CURRENT OF THE LIVE WIRE:

SOLUTION 3) IF THE CURRENT IS NOT LARGER THAN THE VALUE OF THE OVERLOAD PROTECTION, PLEASE CHECK THE CONTROLLER. IF NECESSARY, TRY TO REPLACE IT WITH A NEW CORRESPONDING PCB

4) THE CONDENSER IS TOO DIRTY OR THERE ARE SOME DEFECTS WITH THE AIR RETURN:

SOLUTION 4) CHECK IF THE CONDENSER IS TOO DIRTY OR IF THERE ARE SOME DEFECTS WITH THE AIR RETURN

5) THE FAN SPEED IS NOT NORMAL:

SOLUTION 5) CHECK IF THE ROTATIONAL FAN SPEED IS NORMAL. IF NOT, TRY TO REPLACE IT WITH A NEW CORRESPONDING FAN

6) THE COMPRESSOR DOES NOT RUN OR THERE ARE SOME DEFECTS SUCH AS NOISE, OIL LEAKS OR THE COMPRESSOR SHELL THAT IS TOO HOT:

SOLUTION 6) CHECK IF THE COMPRESSOR IS DAMAGED. IF YES, REPLACE IT WITH A NEW CORRESPONDING COMPRESSOR

7) THERE ARE SOME BLOCKAGES IN THE SYSTEM:

SOLUTION 7) CHECK IF THE SYSTEM IS BLOCKED OR NOT. IF YES, PLEASE REMOVE BLOCKAGE