McQuay MWM Service Manual Book page 55

Ceiling Cassette A / B / C Series Model – Water Source Split Unit
Model
5CKWS 20/25/30/40/50AR
5CKWS 10/15/20CR
LED Indicator Light Display – Heating
POWER
LED Light Diagnostic Table
1 time
2 times
3 times
1 time
2 times
3 times
ON
Board
LWS2.0
LWS2.0
TIMER HEAT
Operation / Faulty Indication
Cooling mode
Timer On
Heating mode
Auto mode in cooling operation
Auto mode in heating operation
Compressor overload protection
Pump fault
Gas leak
Room air sensor contact loose / short
Indoor coil sensor contact loose / open
Outdoor coil sensor contact loose / open
/ ON or OFF
Handset
G7 / SLM3 / Netware 3
G7 / SLM3 / Netware 3
BLINKING
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