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RUN light 2-time flash, TIMER light 7-time flash

RUN light 2-time flash, TIMER light 7-time flash - Power transistor error

MHI · Air Conditioning

Was bedeutet RUN light 2-time flash, TIMER light 7-time flash ?

An error has occurred with the power transistor, a key component in controlling the power flow to the compressor. This can be triggered by various operating conditions.

Häufige Ursachen

  • Overload operation.
  • Overcharge of refrigerant.
  • Broken power transistor.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Turn off the air conditioner at the main circuit breaker and wait for 15 minutes.

  2. 2

    Ensure that the outdoor unit has good airflow and is not blocked by debris or vegetation.

  3. 3

    If the issue persists, contact a qualified service technician, as this fault typically requires professional diagnosis and repair.

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