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MCQUAY Service Guide Book Diagnosis

GS01 – Inverter Y Models

Diagnosis Step

1. Hold down ON TIMER CANCEL button or OFF TIMER CANCEL button for 5 seconds, a “ ”

indication flashes on the temperature display section.

2. Press TIMER CANCEL repeatedly until indoor buzzer produces a long beep. This indicates the error

code, refers to Error Codes table and is displayed on the temperature display section.

3. A short beep or two consecutive beeps indicate non-corresponding error codes.

4. To cancel the error code display, hold down ON TIMER CANCEL button or OFF TIMER CANCEL

button for 5 seconds. Alternatively, the code display will cancel itself if the button is not pressed for 1

minute.

Error Code Diagnosis by Unit Last State Memory

1. Remove battery from remote controller

2. Replace battery again into remote controller

3. Press Mode & ON/OFF buttons together

4. Press Mode button to 5:00

5. Press ON/OFF once

6. Repeat the fault diagnosis steps by wireless handset GS01

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McQuay MWSS Anleitung zur Fehlerbehebung Seite 70