17 May 9

Symptom: MGTC-20, DXTC-20, DXTH-20 – ERROR CODE E6

Solution: MULTIPLE SOLUTIONS

Cause: INDOOR FAN MOTOR FAULT

Remarks:

DESCRIPTION:

IF NO AIR COMES OUT FROM THE INDOOR UNIT WHILE IT WORKS, THE INDOOR LED DISPLAY WILL SHOW THE E6 ERROR CODE (FOR PG AND DC MOTOR ONLY).

REPAIR:

1) CHECK THE INDOOR CROSS FAN BY HAND WHILE THE POWER IS SWITCHED OFF:

CAN THE FAN BLADE TURN SMOOTHLY?

NO = ADJUST THE MOTOR AND BLADE ASSEMBLY SO THAT MOTOR CAN RUN SMOOTHLY
YES = CHECK 2)

2) CHECK THE FAN MOTOR AND PCB WIRING CONNECTION:

IS THE FAN MOTOR WELL CONNECTED TO PCB?

NO = CHECK AND RECONNECT
YES = CHECK 3)

3) CHECK FAN MOTOR RESISTANCE WITH MULTIMETER:

IS THERE OPEN OR SHORT CIRCUIT IN WINDING RESISTANCE?

YES = REPLACE THE FAN MOTOR
NO = CHECK 4)

4) REPLACE THE INDOOR UNIT PCB