McQuay MWM Service Manual Book page 56

Seven Segment Display – SLM3 / Netware 3 (Water Source Split Unit)
Model
5WMWS 10/15/20/25GR
5CKWS 20 - 50A/AR
5CKWS 10 - 20C/CR
5CCWS 10 - 60C/CR
Cooling / Heat pump Model
Seven Segments
E1 blinking
E2 blinking
E3 blinking
E4 blinking
E5 blinking
E6 blinking
HEAT LED blinking
*Applicable for Ceiling Cassette Model only.
Board
LWS2.0
LWS2.0
LWS2.0
LWS2.0
Faulty Indication
Room air sensor contact loose / short
Indoor coil sensor contact loose
Outdoor coil sensor contact loose
Compressor overload protection /
Indoor coil sensor short /
Outdoor coil sensor short
Gas leak
Pump fault*
Defrost mode (SLM3 only)
Handset
SLM3 / Netware 3
SLM3 / Netware 3
SLM3 / Netware 3
SLM3 / Netware 3
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