McQuay MWMX 010FR Instruction Manual page 14

Inverter Heatpump Unit
LED Display
The LED in indoor and outdoor unit indicate operation modes / faults detected
Cool / Dry Heat
-
ON
Stand by Timer
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 sensors contact loose /
short
Gas leak / compressor overheat
Communication error between indoor and
outdoor
Inverter error / PFC errore
Outdoor total current trip / DC peak
Indoor fan feedback error
/ -
ON or OFF
LED Indicator Lights For Inverter Heatpump Unit
Normal Operation / Fault Condition
- Blinking
12
Cool / Dry
Heat
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
Call your dealer