APC Smart-UPS Error Code A008

APC UPS Critical Alarm

Model: Smart-UPS | Code: A008

Applicable Systems
Symmetra LX

Symptoms

The UPS output has a short circuit. The UPS has disconnected the output to prevent damage.

Possible Causes

  • Output wiring shorted
  • Connected device internal short circuit

Troubleshooting Steps

  1. Step 1: Disconnect all loads from the UPS output
    Short circuit is cleared when loads are removed
  2. Step 2: Check each load and cable for short circuits
    Faulty device or cable is identified

How to Reset

To reset: Remove the short circuit, then restart the UPS.

Source: APC Smart-UPS User Manual, Schneider Electric/APC

Category: UPS