# Power Supply Alarm

## System/Sub-System

MiVoice Business: Hardware

## Description

A Power Supply Unit has a fault (MXe or AX controller only). A Minor alarm results if one PSU in a controller with redundant power supplies has an error. A Major alarm results if both PSUs have an error or if a controller with a single PSU has an error.

## Alarm Status

The major threshold is 100.

#### Possible Cause | #### Corrective Action
--- | ---
Power supply has a fault or failure. Power supply turned off or power cord disconnected. | Use SHOW STATUS REDUNDANT maintenance command to determine defective device. Replace unit to clear alarm. Turn on power supply, plug in cord, check AC power source.