DC Over Voltage

DC Over Voltage

Otis · 400 Elevator

What does DC Over Voltage mean?

Indicates that the voltage from the power supply was over 45VDC for more than 30 seconds. This points to a power supply regulation issue, which could damage connected electronic components due to excessive voltage.

Common Causes

  • Defective power supply unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Replace the power supply.

Browse all codes in this manual (41)
Verified technical data. Last updated: March 2026

Related Faults

System Scale FactorIncompatible System Scale FactorChanger InletChanger Inlet No Coins SensedSelection Switch XXSelection Switch Stuck Closed
Source: Otis 400 Elevator
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