McQuay MLCV Troubleshooting Guide download pdf (Page 25)

A. WALL MOUNTED COOLING SERIES

Model Board Handset

WM 10/15/20/25 F C5 G8

LED Indicator Light Display

Timer Power

Sleep Dry

Self Diagnosis Table

POWER SLEEP TIMER DRY

Operation / Faulty Indication

Timer on

Sleep mode on

Dry mode

Continuosly

/ Frost prevention mode

Once every 2 sec

Room air sensor contact loose / short

Twice every 2 sec

Indoor coil sensor contact loose / short

3 time every 2 sec

Outdoor abnormal operation

ON / ON or OFF BLINKING

6. Self Diagnosis Table

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McQuay MLCV Troubleshooting Guide Page 25