Solar · Error codes · Solis
BatName-FAILSolis · S6-EH1P L-PLUS 48 V hybrids
BatName-FAIL on a Solis S6-EH1P L-PLUS 48 V hybrids: Wrong battery brand selection
Short answer
On a Solis battery, BatName-FAIL means: Wrong battery brand selection. The battery keeps running with some functions stopped.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: Wrong battery brand selection.
Part involved: battery configuration.
Likely causes:
- Battery model selected in inverter differs from actual battery.
Is it safe?
| Does the battery stop? | Partly |
|---|---|
| Severity | Warning |
The battery keeps running with some functions stopped.
Resetting itself: no.
Manual reset: Installer corrects setting.
What you can check
- Read the full code and message on the inverter screen or in the SolisCloud app and note the date/time for your installer.
- Check the inverter's AC isolator next to the inverter and the solar/battery breaker in the consumer unit are ON (do not reset a breaker that trips again - call your installer).
What the engineer will check
- Set correct battery model.
Who to ask for: Battery/hybrid installer trained on the specific battery (manufacturer-approved installer).
Certification: Firmware/config change via installer portal; no special certification but installer access normally required.
What you might notice
Sources
- User Manual for S6 Series Hybrid Inverter S6-EH1P(3-8)K-L-PLUS ↗ · Version 1.0 · page 53 · Reviewed 24 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 24 September 2026