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01
Overvoltage Error
Mitsubishi Electric · PUZ-HA30/36NHA4 Outdoor Unit
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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.
Vanlige årsaker
- 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.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Measure the input power supply voltage at the main terminals to verify the actual voltage level.
- 2
Check the external power supply for stability and correct voltage output.
- 3
Inspect the power circuit board for any visible damage or component failure.
Verifisert teknisk data. Sist oppdatert: March 2026
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Kilde: Mitsubishi Electric PUZ-HA30/36NHA4 Outdoor Unit