McQuay MWSS Guide de dépannage télécharger pdf (Page 43)

MCQUAY Service Guide Book Diagnosis

42

7.0 SERVICE DIAGNOSIS

7.1 LED Lights Diagnosis Table

Wall Mounted F Series Cooling Only

Model Board Handset

MWM 10/15/20/25F, 311 D2.0 G7

MWM 07/10/15/20/25F L2EF G7

POWER

(Green)

SLEEP

(Red)

TIMER

(Orange)

DRY

(Orange)

Operation / Faulty

Indication

Action

Timer On -

Sleep mode On -

Dry mode -

Defrost mode -

Room air sensor

contact loose / short

Check room sensor connection /

change room sensor

Indoor coil sensor

contact loose / short

Check indoor coil sensor

connection / change indoor coil

sensor

Gas leak

Check for leakage & repair / Top

up refrigerant

/ ON ON or OFF BLINKING

/

/

Continuously

Once every 2s

3 times every 2s

Twice every 2s

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 81 82

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