¿Qué provoca el error U2 de Daikin?

Unstable power source. Loose electrical connections. Internal power component failure

¿Cómo se corrige el código de falla U2 de Daikin?

1. Turn off the power to the unit at the breaker. 2. Check all electrical connections to the unit. 3. Restore power and observe if the error code is resolved. 4. If the issue continues, contact a qualified technician.

U2 - Malfunction of power supply or instantaneous power failure (Outdoor Unit)

Daikin · Simple Self Diagnosis by Malfunction Code | Daikin

¿Qué significa U2 ?

This error code indicates a problem with the power supply to the outdoor unit or a recent, sudden power interruption.

Causas comunes

Unstable power source
Loose electrical connections
Internal power component failure

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

1
Turn off the power to the unit at the breaker.
2
Check all electrical connections to the unit.
3
Restore power and observe if the error code is resolved.
4
If the issue continues, contact a qualified technician.

Ver todos los códigos en este manual (60)

Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

6-06-0 - External protection device activated (Heat reclaim ventilator)6-16-1 - Malfunction of PCB (Heat reclaim ventilator)6-26-2 - Ozone density abnormal (Heat reclaim ventilator)

Fuente: Simple Self Diagnosis by Malfunction Code | Daikin

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