McQuay MCK Service Guide Book

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Seven Segment Display – SLM3 / Netware 3
Model Board Handset
WM 10/15/20/25FR, 301R U1.5 SLM3 / Netware 3
CK 20 - 50A/AR U1.5 SLM3 / Netware 3
CK 15 - 25B/BR U1.5 SLM3 / Netware 3
CK 10 - 20C/CR U1.5 SLM3 / Netware 3
CE 20 - 50D/DR U1.5 SLM3 / Netware 3
CC 10 - 60C/CR U1.5 SLM3 / Netware 3
Cooling / Heat pump Model
Seven Segments Faulty Indication
E1 blinking Room air sensor contact loose / short
E2 blinking Indoor coil sensor contact loose / short
E3 blinking Outdoor coil sensor contact loose / short
E4 blinking Compressor overload protection
E5 blinking Gas leak
E6 blinking Pump fault*
HEAT LED blinking Defrost mode (SLM3 only)
*Applicable for Ceiling Cassette Model only.
Model Board Handset
WM 10/15/20/25G/GR L2.0 SLM3 / Netware 3
CK 20 - 50A/AR L208A SLM3 / Netware 3
CK 15 - 25B/BR L208A SLM3 / Netware 3
CK 10 - 20C/CR L208A SLM3 / Netware 3
CE 20 - 50D/DR L208A SLM3 / Netware 3
CE 15 - 28E/ER L208A SLM3 / Netware 3
CC 10 - 60C/CR L208A SLM3 / Netware 3
CC 30 - 100D/DR L208A SLM3 / Netware 3
Cooling / Heat pump Model
Seven Segments Faulty Indication
E1 blinking Room air sensor contact loose / short
E2 blinking Indoor coil sensor contact open
E3 blinking Outdoor coil sensor contact open
E4 blinking
Compressor overload protection /
Indoor coil sensor short /
Outdoor coil sensor short
E5 blinking Gas leak
E6 blinking Pump fault*
E7 blinking Outdoor coil sensor exist (Multi-split model)
E8 blinking Hardware error (tact switch pin short)
*Applicable for Ceiling Cassette Model only.

McQuay MCK Specifications

General

Brand	McQuay
Model	MCK
Category	Air Conditioner
Language	English