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no receiving beep

No receiving beep when remote control signal transmitted — Remote control batteries exhausted

MHI · Air Conditioning

Was bedeutet no receiving beep ?

When you transmit a signal from the remote control to the air conditioner, a receiving beep should be emitted by the indoor unit. If this beep is not heard, or if the remote control display fades, it indicates that the remote control batteries are exhausted.

Häufige Ursachen

  • Remote control batteries are depleted or very low.
  • Old and new batteries used together.
  • Remote control not used for a long period, causing batteries to leak.

Reparaturschritte & Checkliste

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

  1. 1

    Replace the old batteries with two new R03 (AAA, Micro) batteries.

  2. 2

    Ensure batteries are inserted with correct polarity (+ and - marks).

  3. 3

    If the display is abnormal even after replacing batteries, press the ACL switch with a ballpoint pen tip.

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 11)Mehr Codes in diesem Handbuch suchen