What you will see

  • Battery shows no data
  • BAT_BMS_COMM_FAULT or BAT_TYPR_CFG_ERR

Why it happens

Loose or wrong communication cable, battery switched off, or wrong battery type selected.

Diagram

Inverter and battery must talk

Linked

Battery BMSData
→
HybridCharges safely

No link

Battery off, wrong cable or settingSilent
→
HybridBMS comm fault
Fronus Genki hybrids.

What you can check yourself

  • Check the battery is on
  • Note recent battery changes

What not to do

  • Do not change battery type settings yourself

When to call us

  • Check communication cable
  • Set the correct battery type

Battery setup

We set up Fronus batteries with Genki hybrids in Faisalabad and Lahore.

Send us

inverter and battery models and the alarm