Solar · Error codes · Solis
NO-BatterySolis · S6-EH1P L-PLUS 48 V hybrids
NO-Battery on a Solis S6-EH1P L-PLUS 48 V hybrids: Battery is not connected
Short answer
On a Solis battery, NO-Battery means: Battery is not connected. The battery keeps running with some functions stopped.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: Battery is not connected.
Part involved: battery connection.
Likely causes:
- Battery disconnected, battery breaker/switch off or tripped, battery asleep.
Is it safe?
| Does the battery stop? | Partly |
|---|---|
| Severity | Warning |
The battery keeps running with some functions stopped.
Resetting itself: yes.
Manual reset: Clears when battery detected.
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).
- Check the battery's own power switch/indicator is on (external switch only).
What the engineer will check
- Verify battery voltage on info page and at plug; check battery breaker/fuse and DC cables.
Who to ask for: Battery/hybrid installer trained on the specific battery (manufacturer-approved installer).
Certification: Battery and hybrid-inverter DC work: installer trained/approved by the manufacturer; electrical work under BS 7671 by a competent person.
What you might notice
Sources
- User Manual for S6 Series Hybrid Inverter S6-EH1P(3-8)K-L-PLUS ↗ · Version 1.0 · page 52 · Reviewed 24 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 24 September 2026