Led Display - Acson WM Serie Installationsanleitung

Heat pump unit
The table shows the LED indicator lights for the air condi-
tioner unit under normal operation and fault conditions.
The LED indicator lights are located at the bottom right
side of the air conditioner unit.
The heat pump units are equipped with an "auto" mode
sensor whereby it will provide reasonable room temperature
by switching automatically to either "cool" or "heat"
mode according to the temperature set by the user.
LED Indicator Lights : Normal Operation And Fault Conditions For Heat Pump Unit
Cool Dry Fan
ON
Inverter Heat Pump Unit

LED Display

The LED in indoor and outdoor unit indicate operation modes / faults detected.
Cool Dry Heat
Green Red Red
ON
Normal Operation/Fault Condition
Heat Sleep
Cooling mode.
Dry mode.
Fan mode.
Heat mode.
Auto mode in heating operation.
Auto mode in cooling operation.
Defrost operation.
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 cool mode or heat mode (with the sleep function off), the sensor
may have a contact problem, compressor overload protection trip or gas leak.
Normal Operation/Fault Condition
Stand-by Timer
Red Green
Cooling mode.
Dry mode.
Stand-by / Fan mode.
Heat mode.
Auto mode.
Defrost operation.
Compressor overload protection.
Indoor temperature sensors contact loose / short.
Outdoor temperature & current sensors contact loose / short.
Gas leak / compressor overheat.
Communication error between indoor and outdoor.
Inverter error / PFC error.
Outdoor total current trip / DC peak.
LED Indicator Lights For Heat Pump Unit
Cooling mode
Heat / Fan mode
(red / green)
ON or OFF
LED Indicator Lights For Inverter Heat Pump Unit
Cool / Dry
Heat
ON or OFF
1-9
Dry mode
Sleep mode
Action
–
–
–
–
–
–
–
Call your dealer.
Call your dealer.
Call your dealer.
Call your dealer.
Blinking
Stand-by / Fan
Timer
Action
–
–
–
–
–
–
Call your dealer.
Call your dealer.
Call your dealer.
Call your dealer.
Call your dealer.
Call your dealer.
Call your dealer.
Blinking