APC Smart-UPS Error Code A009

APC UPS Critical Alarm

Model: Smart-UPS | Code: A009

Applicable Systems
Symmetra LX

Symptoms

The UPS has detected an internal fault. The UPS may not be able to provide output power.

Possible Causes

  • Internal component failure
  • Internal wiring or connection fault

Troubleshooting Steps

  1. Step 1: Check the UPS fault log for detailed error information
    Specific internal fault is identified
  2. Step 2: Contact APC support for diagnosis and repair
    Support confirms the faulty component

How to Reset

To reset: Power-cycle the UPS. If the error persists, contact APC support for repair.

Related APC Fault Codes

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

Category: UPS