McQuay M5WM 007G, Manual

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88
Indicator Lights
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 middle of the air conditioner unit.
The heat pump units is equipped with an “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 Display
COOL / HEAT
IONIZER
TIMER
SLEEP MODE
LED Indicator Lights : Normal Operation And Faulty Indication Table
COOL/HEAT
(GREEN/RED)
Normal Operation / Fault Indication Action
/
/
/
Red
/
Green
Red
Green
Green
Red
/
/
Red
Cool mode
Heat mode
Auto mode in heating operation
Auto mode in cooling operation
Timer on
Sleep mode on
Ionizer on
Room air sensor contact Loose / Short
Outdoor coil sensor contact Loose / Short
Defrost operation
Compressor overload protection trip or
gas leask
Indoor coil sensor contact Loose / Short
Call your dealer
Call your dealer
Call your dealer
-
-
-
-
-
-
-
-
- ON
/ - ON or OFF
- Blinking
IR Receiver
LED indicator lights