APC Smart-UPS Error Code F01

APC UPS Critical Fault

Model: Smart-UPS | Code: F01

Applicable Systems
Symmetra LX

Symptoms

The UPS has detected an internal fault. The UPS has shut down to protect itself and the load.

Possible Causes

  • Internal hardware component failure
  • Internal control circuit fault

Troubleshooting Steps

  1. Step 1: Check the UPS fault log for the specific internal 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