McQuay MWSS Anleitung zur Fehlerbehebung PDF herunterladen (Seite 47)

MCQUAY Service Guide Book Diagnosis

Ceiling Cassette A / B / C Series Model

Model Board Handset

MCK 20/25/30/40/50A/AR U1.5 G7 / SLM3 / Netware 3 / SLM8

MCK 15/20/25B/BR U1.5 G7 / SLM3 / Netware 3 / SLM8

MCK 10/15/20C/CR U1.5 G7 / SLM3 / Netware 3 / SLM8

POWER

(Green)

TIMER

(Orange)

SLEEP

(Red)

HEAT

(Red)

Error Code

(SLM3 /

Netware 3)

Operation /

Faulty Indication

Action

- Cooling mode -

- Timer On -

- Sleep mode On -

- Heating mode -

Heat LED

blinking

(SLM3 only)

Frost prevention

mode

Compressor

overload

protection

If running ampere highly

increase, change the

compressor

E6 Pump fault

Clear the clogging at drain

pipe. If pump is not

working, change the pump

E5 Gas leak

Check for leakage & repair

/ Top up refrigerant

E1/E2/E3

Room / indoor /

outdoor coil

sensor contact

loose / short

Check room/indoor/

outdoor coil sensor

connection / change

room/indoor/outdoor

sensor

ON ON or OFF BLINKING

Once every 3s

3 times

ever

Twice every 3s

Continuously

4 times

every 3s

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 81 82

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