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01

Overvoltage Error

Mitsubishi Electric · PUZ-HA30/36NHA4 Outdoor Unit

¿Qué significa 01 ?

The power circuit board has detected an overvoltage condition in the input power supply. This condition indicates that the incoming voltage exceeds safe operating limits, posing a risk of damage to sensitive electronic components if not corrected.

Causas comunes

  • Input voltage to the unit exceeds the normal operating range.
  • Power surge from the electrical grid.
  • Faulty voltage regulation within the unit.
  • Incorrect power supply connection.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Measure the input power supply voltage at the main terminals to verify the actual voltage level.

  2. 2

    Check the external power supply for stability and correct voltage output.

  3. 3

    Inspect the power circuit board for any visible damage or component failure.

Ver todos los códigos en este manual (45)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Mitsubishi Electric PUZ-HA30/36NHA4 Outdoor Unit