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  3. Air Conditioning
  4. 3-minute protection timer
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3-minute protection timer

Unit does not restart immediately after being stopped (3-minute protection)

MHI · Air Conditioning

¿Qué significa 3-minute protection timer ?

After you stop the air conditioner, it will not restart immediately for about 3 minutes. This is a normal protective feature, where a microcomputer's timer automatically starts it up again after the delay.

Causas comunes

  • Unit's internal protection timer is active (3-minute delay)
  • To protect the compressor from immediate restart and potential damage

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Wait for 3 minutes; the unit will automatically restart after this protection period.

  2. 2

    Do not try to repeatedly turn the unit on and off during this protection period.

  3. 3

    Ensure the power supply to the unit is stable.

  4. 4

    This is normal operation and does not indicate a fault.

  5. 5

    If the unit fails to restart after the 3-minute delay, then check other troubleshooting steps.

Ver todos los códigos en este manual (124)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

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
Fuente: MHI Air Conditioning
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