1-9
English
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 For Heat Pump Unit
Cooling mode
Dry mode
Sleep mode
Heat / Fan mode
(red / green)
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
LED Indicator Lights : Normal Operation And Fault Conditions For Heat Pump Unit
ON
ON or OFF
Blinking
Inverter Heat Pump Unit
LED Indicator Lights For Inverter Heat Pump Unit
Cool / Dry
Stand-by / Fan
Timer
Heat
Cooling mode.
–
Dry mode.
–
Stand-by / Fan mode.
–
Heat mode.
–
Auto mode.
–
Defrost operation.
–
Compressor overload protection.
Call your dealer.
Indoor temperature sensors contact loose / short.
Call your dealer.
Outdoor temperature & current sensors contact loose / short.
Call your dealer.
Gas leak / compressor overheat.
Call your dealer.
Communication error between indoor and outdoor.
Call your dealer.
Inverter error / PFC error.
Call your dealer.
Outdoor total current trip / DC peak.
Call your dealer.
Normal Operation/Fault Condition
Action
Cool
Dry
Heat
Stand-by
Timer
Green
Red
Red
Red
Green
LED Display
The LED in indoor and outdoor unit indicate operation modes / faults detected.
ON or OFF
ON
Blinking
Содержание IM-WMF-0501
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