ASCON Service Guide Book
49
Wall Mounted F Series Heatpump Model
Model Board Handset
WM 07/10/15/20/25FR,
311/301R
L2EF G8
LED Indicator Light Display
The heat pump unit is equipped with “auto mode”, whereby the unit will provide reasonable room
temperature by switching the unit automatically to either “cool” mode or “heat” mode, according to the
temperature setting set by the user,
LED Indicator Lights: Normal Operation and Faulty Indication Table
Operation / Faulty Indication
Cooling mode
Dry mode
Fan mode
Heating mode
Auto mode in heating operation
Auto mode in cooling operation
Defrost mode
Compressor overload
protection
Indoor coil sensor contact
loose / short
Outdoor coil sensor contact
loose / short
Room air sensor contact loose
/ short
If the system is in auto or sleep mode, switch to heat or cool mode and
turn OFF the sleep function, turn OFF the power supply to reset the
system, wait for 3 minutes and ON the system again.
If the system is in cool or heat mode (with the sleep function OFF), the
sensor may have contact problem, compressor overload protection trip or
gas leak.
COOL Mode
(Green)
HEAT / FAN
Mode
(Red / Green)
DRY Mode
(Orange)
SLEEP Mode
(Red)
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