What you will see

  • Battery offline with a BMS_ code

Why it happens

A fault inside the battery pack.

Diagram

Battery-internal faults

Reset once

BMS_PRECHG_FAIL_FAULT.

After-sales

Relay, cell sampling, system and sensor faults.

Fronus batteries.

What you can check yourself

  • Write down the exact code
  • Reset the battery once only if the code is BMS_PRECHG_FAIL_FAULT

What not to do

  • Do not open the battery

When to call us

  • Read battery logs
  • Warranty claim with Fronus

Warranty claims

We collect battery logs and help with Fronus warranty claims in Faisalabad and Lahore.

Send us

the exact code and battery serial number