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3 pip

3 beeps (pip, pip, pip) not heard from air conditioner — Settings not sent

MHI · Air Conditioning

What does 3 pip mean?

When sending settings from the remote control to the air conditioner, you should hear three beeps from the indoor unit. If you do not hear these beeps, the settings were not received by the air conditioner.

Common Causes

  • Remote control not pointed correctly at the indoor unit's signal receiver.
  • Remote control batteries are low or depleted.
  • Obstruction between the remote control and the indoor unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the remote control is pointed directly at the air conditioner's signal receiver.

  2. 2

    Press the PROGRAM button again to re-send the settings.

  3. 3

    Check and replace remote control batteries if the display is fading or signals are not consistently received.

Browse all codes in this manual (124)
Verified technical data. Last updated: April 2026

Related Faults

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
Source: MHI Air Conditioning
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