McQuay MWM 007F, Manual

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Indicator Lights (cooling only unit)
IR signal receiver
When there is infrared remote control operating signal, the signal receiver on indoor unit will made a
(beep) for signal acceptance confirmation.
The table below shows the LED indicator light for air conditioner unit under normal operation and fault
condition. The LED indicator lights are located at the right bottom of the air conditioner unit.
Cooling unit : LED Indicator Lights Display
LED Indicator Lights
Timer
Sleep mode
Power on
Dry mode
LED Indicator Lights : Normal Operation And Faulty Indication Table
86
Power
Sleep
Timer
Dry
Operation/ Faulty
Indication
Action
○ ○
Timer on -
○
○
Sleep mode on -
○
○
Dry mode -
◑
Continuously
○ / ●
Frost prevention mode
Clean the filter and switch
to high fan.
◑
Once every
2 second
Room air sensor contact
loose/ short
Call your dealer
◑◑
Twice every
3 sec
Indoor coil sensor contact
loose/ short
Call your dealer
◑◑◑
3 Times
every 3 sec
Outdoor abnormal
operation
Call your dealer
○
ON
○ / ●
ON or OFF
◑
BLINK
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