17 May 8

Symptom: MGTC-20, DXTC-20, DXTH-20 – ERROR CODE E4

Solution: MULTIPLE SOLUTIONS

Cause: REFRIGERANT SYSTEM LEAKAGE OR FAULT

Remarks:

DESCRIPTION:

THE E4 ERROR CODE IS A GENERAL FAILURE, MAINLY BECAUSE OF A LEAKAGE.

REPAIR:

1) IN CASE OF REFRIGERANT LEAKAGE, FIND AND REPAIR LEAKAGE PROBLEM AND RECHARGE REFRIGERANT

2) IN CASE OF BLOCKED VALVE, PLEASE REMOVE BLOCKAGE OR REPLACE VALVE

3) IF E4 ERROR CODE STILL REMAINS, REPLACE THE OUTDOOR UNIT PCB