McQuay MWM Service Manual Book page 44

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