16 May 89

Symptom: MGTC-20, DXTC-20, DXTH-20 – ERROR CODE F3

Solution: MULTIPLE SOLUTIONS

Cause: OUTDOOR UNIT COIL TEMPERATURE FAILURE PROTECTION

Remarks:

DESCRIPTION:

IN MOST CASES, THE OUTDOOR COIL TEMPERATURE SENSOR IS LOOSE FROM THE FIXED COPPER PIPE (ON CONDENSER). AFTER THE AC UNIT IS SWITCHED ON FOR 10 MINUTES AND THE TEMPERATURE IS (ALMOST) NOT CHANGING, THE F3 PROTECTION CODE WILL BE DISPLAYED.

REPAIR:

1) CHECK THE SENSOR INSTALLATION AND PLEASE FIX IT IF NEEDED