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TIMER light 5-time flash (RUN light ON)

TIMER light 5-time flash (RUN light ON) - Service valve closed

MHI · Air Conditioning

Was bedeutet TIMER light 5-time flash (RUN light ON) ?

The system has detected that a service valve is closed. Service valves are critical for the proper flow of refrigerant in the system.

Häufige Ursachen

  • One or more service valves are closed. This can prevent the refrigerant from circulating correctly.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Power off the air conditioner at the main breaker and wait for 5 minutes before turning it back on.

  2. 2

    Verify that all access panels on the outdoor unit are properly secured.

  3. 3

    If this error appeared after installation or maintenance, contact a qualified service technician to check the service valve positions.

Alle Codes in diesem Handbuch durchsuchen (124)
Verifizierte technische Daten. Zuletzt aktualisiert: April 2026

Verwandte Fehlercodes

00Outdoor Board LED only green lights up after startup - No outdoor unit of address 0 / Remote controller transmission wire open1OPERATION INDICATOR lamp blinks 1 time (Pattern A) - Indoor/outdoor unit communication error (Transmitting error - Outdoor unit)14OPERATION INDICATOR lamp blinks 14 times (Pattern A) - Other errors
Quelle: MHI Air Conditioning
Open Manual (Page 38)Mehr Codes in diesem Handbuch suchen