APC Smart-UPS Error Code F25

APC UPS Major Fault

Model: Smart-UPS | Code: F25

Applicable Systems
Symmetra LX

Symptoms

A contactor has failed to operate correctly. The affected power path cannot switch.

Possible Causes

  • Contactor coil failure
  • Contactor contact wear or welding

Troubleshooting Steps

  1. Step 1: Check the UPS fault log for the specific contactor fault sub-code
    Detailed fault information is obtained
  2. Step 2: Contact APC support with the fault code for diagnosis
    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