McQuay MCM 020 D

(9) Operating State and Fault Table
Wireless Remote Control - Handset
Cooling: LED Indicator Light Display Heatpump : LED Indicator Light Display
COOL DRY FAN COOL DRY FAN HEAT
Self Diagnosis Table
COOL
DRY FAN HEAT
Operation/ Faulty Indicator
 Cooling mode

Dry mode
 Fan mode

Heat mode

Auto mode in heating operation

Auto mode in heating operation
Defrost operation
Compressor overload protection
Outdoor coil sensor contact
loose/short
Room air sensor contact
loose/short
 ON  / z ON or OFF BLINKING
Wired Remote Control – SLM
Cooling / Heatpump Model
Error Code at 7 Segment Display Operation/ Faulty Indication
E1 Blinking Room Sensor Contact Loose / Short
E2 Blinking Indoor Coil Sensor Contact Loose / Short
E3 Blinking Outdoor Coil Sensor Contact Loose / Short
E4 Blinking Compressor Overload
E5 Blinking Gas Leak
E6 Blinking Pump Faulty
Heat LED Blinking Outdoor Defrost (For Heat Pump Only)
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