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RUN light slow blink (3s ON, 1s OFF)

RUN light blinks slowly (3 seconds ON, 1 second OFF) — SELF CLEAN operation active

MHI · Air Conditioning

Was bedeutet RUN light slow blink (3s ON, 1s OFF) ?

The green RUN light on the indoor unit display will blink slowly in a pattern of 3 seconds ON and 1 second OFF. This indicates that the SELF CLEAN operation is currently active.

Häufige Ursachen

  • SELF CLEAN operation has been activated.
  • Unit is performing its self-cleaning cycle.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Verify if SELF CLEAN operation was intentionally started.

  2. 2

    Allow the unit to complete its SELF CLEAN cycle.

  3. 3

    Refer to the manual for details on starting or stopping SELF CLEAN operation if it was unintentional.

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 10)Mehr Codes in diesem Handbuch suchen