Warning

W91

The number of battery packs in series has not been set.

2 Devices that report this code
T-REX-10KHP3G01Inverter↗ view on device
W91The number of battery packs in series has not been set.Warning
Description

Number of battery packs in series has not been set.

Recommended fix

Please set it correctly according to the number of battery packs used by the inverter.

Source:T-REX-10KHP3G01-Inverter-User-Guide.pdf · page 27
T-REX-10KLP3G01Inverter↗ view on device
W91The number of battery packs in series has not been set.Warning
Description

The number of battery packs in series has not been set.

Cause

The number of battery packs in series has not been set.

Recommended fix

Please set it correctly according to the number of battery packs used by the inverter.

Source:T-REX-10KLP3G01-Inverter-User-Guide.pdf · page 27

Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.