1030 on a Fronius International GmbH Fronius GEN24 / GEN24 Plus: A device in the WSD (wired shutdown) chain has interrupted the signal line (e.g. surge protection device tripped) or the factory bypass was removed without a trigger device; operating LED flashes red
Short answer
On a Fronius International GmbH inverter, 1030 means: A device in the WSD (wired shutdown) chain has interrupted the signal line (e.g. surge protection device tripped) or the factory bypass was removed without a trigger device; operating LED flashes red. The inverter stops until the fault clears or is reset. An engineer is needed to fix the cause.
Reviewed 24 September 2026 · 1 source
What it means
The manual says: A device in the WSD (wired shutdown) chain has interrupted the signal line (e.g. surge protection device tripped) or the factory bypass was removed without a trigger device; operating LED flashes red.
Part involved: GEN24 inverter.
When it shows: A device in the WSD (wired shutdown) chain has interrupted the signal line (e.g. surge protection device tripped) or the factory bypass was removed without a trigger device; operating LED flashes red.
Likely causes:
- If the SPD has tripped the inverter must be repaired by an authorised specialist; or reinstall bypass/trigger device; or set WSD switch to position 1 (primary). Fronius help: check whether an emergency stop was triggered; otherwise contact installer.
Is it safe?
| Does the inverter stop? | Yes |
|---|---|
| Severity | Fault — needs a manual reset once the cause is fixed |
| Engineer needed? | Yes |
The inverter stops until the fault clears or is reset.
Resetting itself: unknown.
Manual reset: See engineer checks.
What you can check
- Check Solar.web for other status messages raised at the same time.
- If your installation has an emergency-stop button, check whether it has been pressed (Fronius help page).
- Otherwise contact your installer - WSD/SPD work is for Fronius-trained personnel only.
What the engineer will check
- Check WSD chain wiring, bypass/trigger device and WSD primary/secondary switch; if SPD tripped, repair by Fronius-trained personnel.
Who to ask for: Fronius-trained installer.
Certification: Qualified electrician (BS 7671; MCS-certified PV installer for work on the PV array/DC side).
What you might notice
Sources
- Fronius Symo GEN24 6-10 kW Plus / Symo GEN24 6-12 kW Plus SC Operating instructions (HTML) ↗ · Web page retrieved 2026-09-24 · Reviewed 24 September 2026
A code explains what the controller detected, not a confirmed root cause.
Reviewed: 24 September 2026