Troubleshooting guide

36
Self Diagnosis Table
Wall Mounted F Series Cooling Only Model
Service Diagnosis
Model Board Handset
WM 10/15/20/25F, 311 D2.0
LED Indicator Light Display
LED Light Diagnosis Table
Operation / Faulty Indication
Timer On
Sleep mode On
Dry mode
Defrost mode
Room air sensor contact loose / short
Indoor coil sensor contact loose / short
Gas leak
/
/
TIMER
SLEEP
POWER
DRY
Continuously
Once every 2 sec
3 times every 2 sec
Twice every 2 sec
/
ON
ON or OFF
BLINKING
G7