Solar · Error codes
Which SolarEdge errors clear themselves and which need an engineer?
Short answer
SolarEdge grid-voltage, grid-frequency and grid-down codes (2x1F, 2x20, 2x28 and 18x40 upwards) clear once the grid is back within limits. Night mode (2x2/18x3) is normal after dark. Isolation, ground-current, arc, relay, DC over-voltage, 'device locked' and hardware (RMA) codes need a PV installer. Homeowners should only check breakers and note the code.
Last checked 24 September 2026 · 1 source
In more detail
- Arc codes: 3x11, 2x96, 2x97 - installer inspection before restart.
- Meter comms: 3x6E - affects export limiting and battery control.
- Country not set: 2x2C/3xB - installer via SetApp.
The facts, dated
- 01SolarEdge consolidated error list version and date — Version 1.1, January 2026
manufacturer · UK · checked 24 September 2026 · knowledge-center.solaredge.com
Sources
- knowledge-center.solaredge.com — knowledge-center.solaredge.com/sites/kc/files/se-inverter-installation-guide-err…
Last checked: 24 September 2026