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LED Indicator Lights : Normal Operation And Fault Conditions For Heat Pump Unit
Cooling mode. –
Dry mode. –
Fan mode. –
Heat mode. –
Auto mode in heating operation. –
Auto mode in cooling operation. –
Defrost operation. –
Compressor overload protection. Call your dealer.
Indoor coil sensor contact loose/short. Call your dealer.
Outdoor coil sensor contact loose/short. Call your dealer.
Room air sensor contact loose/short. Call your dealer.
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 Action
Cool Dry Fan Heat Sleep
Heat pump unit
The table shows the LED indicator lights for the air
conditioner 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 For Heat Pump Unit
Cooling mode Dry mode Heat/Fan mode Sleep mode
(red/green)
ON or OFF
ON
Blinking
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