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Stopped working · System recovery

Solar system recovery when everything has stopped working

When your solar system has completely stopped generating. Remote fault triage, full fault log review, and a remote recovery attempt — with a fixed-price on-site scope if hardware intervention is needed.
£125 on-site scope fixed before any visit
  • Same-day triage available
  • All major brands covered
  • No open-ended bills — fixed scope before any engineer visit
Start system recovery

Inherited a dead or orphaned solar system, or lost your installer? We get it documented, diagnosed, and generating again — whatever brand it is.

Start recoveryNeed emergency repair instead?

I wholeheartedly recommend. Many thanks to Ron. Amazing. Everything is fixed. And I feel safer now that I know where to come for support if anything else happens. I contacted STS for help via their extremely useful website which told me exactly what I had done wrong to require support. My GivEnergy battery had been dead for a while and an attempted firmware update had stopped the inverter. The support was prompt and very professional and over and above what I expected. I was helped every step of the way with clear instructions and e-mail support for questions. The issue was resolved within 24 hours and a technical report produces from log data to share with Octopus to try to get to the bottom of how the original issue occurred. Despite Ron saying that mine was a familiar issue with Octopus Intelligent Flux, this to me was service over and above expectations.

Gary Mitchell · Nov 2026 Google

Just had my whole givenergy system go down. Battery and inverter. Ron sorted me out today 3 hours to get it all sorted. Clear instructions and successful. Could not ask for better. Now that givenergy has gone bust i was concerned as to where to go for help. I have found it and can recommend them to all you givenergy users out there. Off for a cup of coffee now😄

Eaton Edwards · Jul 2026 Google

Great service in supplying and fitting an additional GivEnergy battery. Went the extra mile in managing to fit the battery in to a difficult space.

Jules TIlley · Sep 2026 Google

STS were incredibly responsive and helpful In diagnosing an issue with my GivEnergy inverter. Although distance meant it was impractical for me to use them to fully solve the issue, I’m grateful for the help and detail they provided. Don is a real professional gent and a hero in my eyes.

Adam Miller · Jun 2026 Google

Very very helpfuland so quick. Made sure that a non expert like myself understood what the problem was and how to resolve it.

Declan S · Jun 2026 Trustpilot

What an amazing service. They got my solar inverter back up and running after a firmware update went wrong. It is a breath of fresh air to deal with such a professional company.

Richard Street · Sep 2026 Google

What total failure looks like

Book system recovery if any of these match your situation.

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No generation at all

Inverter is powered on but producing 0W — no output from any string or battery discharge

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Battery stuck at 0%

Won't charge from solar or grid. BMS may be locked out or communication between inverter and battery lost

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Persistent fault codes

Won't clear after multiple restarts — indicating a hardware or firmware-level failure rather than a temporary trip

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Won't boot after firmware update

Firmware corruption or a failed update has bricked the inverter or battery controller. System won't start at all

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System never worked properly

Hasn't worked since the installer left or went bust. May need full recommissioning from scratch

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Inverter completely unresponsive

No display, no communication, no response to restart attempts. Possible internal hardware failure or blown component

When you need system recovery

System recovery is for situations where the system is broken or abandoned, not just underperforming.

Previous installer gone bust or disappeared

System was left incomplete, misconfigured, or never properly commissioned. No handover documentation. No one to call when something goes wrong.

System installed by unqualified person

Installation doesn't meet UK Building Regulations. No MCS certification. System may be unsafe or uninsurable. See installer gone bust for your options.

Multiple failed repair attempts

Various engineers have tried to fix the system but left it in a worse state. Incorrect configurations, poor documentation, conflicting settings from different attempted fixes.

System offline for months without diagnosis

Your system has been down for weeks or months while you tried to get support. No one has been able to diagnose or fix it. Complete system reset and recommissioning needed.

Battery installed but never commissioned

New battery or battery expansion added but never properly set up, tested, or balanced. System won't charge the battery or BMS is throwing constant warnings.

Monitoring not set up or disconnected

You have no visibility into what your system is doing. Can't see generation, battery status, or alerts. System may have been broken for months and you didn't know.

See also: Warranty claim support — if your system failed within warranty, we can help gather evidence and documentation needed for a manufacturer claim.

What system recovery involves

1
Full system audit and documentation

Physical inspection of all components — panels, inverter, battery, wiring, earthing, isolators, monitoring. Photograph all connections and settings. Pull complete system logs and firmware versions. Create a baseline of what we're working with.

2
Identification of faults, non-compliance, and sub-optimal configuration

Cross-reference system with relevant standards and the original design spec (if available). Flag any safety issues, regulatory breaches, or settings drift. Identify which faults are hardware-level and which can be fixed remotely.

3
Written scope with prioritised repairs

Detailed report listing all issues in priority order. Separate safety-critical work from performance improvements. Fixed-price quote for each phase. You approve the scope and budget before any work begins.

4
Repair and recommissioning

Execute the approved scope: replace failed components, reconfigure settings, reprogram firmware, balance battery cells, retest DC strings. Bring the system back to working condition and manufacturer specification.

5
Full testing and sign-off

Verify all work with comprehensive testing — inverter efficiency, battery charging/discharging cycles, export registration, fault code clearing, safety shutdowns. Document all results.

6
New monitoring setup and handover

Install fresh monitoring account in your name (GivEnergy: the current owner transfers it in the app). Verify you have full access and can see all data. Provide complete documentation: system spec sheet, inverter manual, battery manual, commissioning certificate, and contact details for ongoing support.

Recovery vs standard repair

Standard repair

Fixes one specific fault. Diagnose a single issue such as an inverter error or panel failure, replace or repair that component, test that the fault is cleared, and leave the rest of the system as-is.

Best for systems that were working well before one component failed.

System recovery

Complete rebuild and recommission. Full diagnostic audit of all systems, identify all faults and non-compliance, repair or replace everything that's broken, then recommission and test the entire system end to end.

For neglected, abandoned, or previously misconfigured systems that need a fresh start.

When to choose each: Use standard repair if you know the fault (inverter won't start, panel is broken) and the rest of the system is working. Use system recovery if the system has been abandoned, is offline for unknown reasons, was badly installed, or multiple problems have piled up. See solar system repair for single-fault pricing.

How system recovery works

1
Contact us with error codes and symptoms

Tell us what's happened — no generation, fault codes, won't boot, etc. Note any error messages from the inverter display or monitoring app. We'll confirm same-day availability.

2
Remote triage call (30–60 minutes, same day)

We gather system logs, review the fault history, and understand the failure sequence. If monitoring access is available, we review the full event log. We then form a diagnosis.

3
Remote recovery attempt (2–4 hours)

Where safe to do so, we attempt remote recovery — settings reset, firmware reload, BMS recalibration, CT clamp correction. Many total failures are caused by settings corruption or firmware issues that are recoverable remotely.

4
Fixed-price on-site scope (if needed)

If remote recovery doesn't resolve the fault, we give you a precise on-site scope and fixed price before any engineer is booked. You approve the cost before anything moves forward. See solar system repair for on-site pricing.

FAQ

Frequently asked questions

No generation from the inverter, battery showing zero and won't charge, persistent fault codes that won't clear after a reset, system won't boot after a firmware update, or a system that simply hasn't worked since the installer left. If your system was working and now produces nothing, that's total failure — start here.
Often yes. If the system is running but badly misconfigured, remote recovery can usually fix it. If the system won't boot or has a hardware fault, we'll scope the on-site repair at a fixed price before any commitment. See also our installer gone bust guide for what your options are.
If remote triage identifies a hardware fault — failed inverter board, damaged battery module, blown DC component — we'll give you a clear written quote for the on-site repair before any engineer is booked. Parts are priced separately from labour. No surprises.
Remote system recovery costs £125, covering the triage call, the fault-log review, and the remote recovery attempt. If hardware intervention is needed, on-site recovery work is from £295 per visit, and we agree a fixed-price scope with you before any engineer is booked. Parts are priced separately from labour, so you approve the full cost up front with no open-ended bills.
If your system is partially running but producing less than expected or has a single fault code, the free remote diagnostic is the right start. System recovery is specifically for complete failures — where the system isn't generating anything at all, the battery is dead, or it won't communicate.
Remote triage takes 30–60 minutes. If recovery is remote-only (settings, firmware, configuration), that's typically 2–4 hours. If on-site work is needed (component replacement, wiring repairs, recommissioning), the engineer visit will be scheduled within a fixed-price scope that we agree with you first. Most recoveries are complete within 2–3 days from the initial call.
That depends on what needs to be fixed. If the system has always been registered with the DNO (Distribution Network Operator) and we're just repairing components, no new paperwork is needed. If export registration lapsed or never happened, we'll help you get it sorted and reactivated — our team can coordinate with your DNO. If major changes were made since original install (new inverter, new battery, extra panels), we assess whether a G98/G99 application is needed and advise you accordingly.
If the failed component is no longer available (inverter model discontinued, battery module obsolete), we have several options: source a compatible replacement from manufacturer inventory, use a certified equivalent from another manufacturer, or upgrade to a newer compatible model. We'll present all options with pricing before any order is placed. In rare cases where no direct replacement exists, we'll advise on whether the system can be retrofitted with newer components. This is all discussed in the written recovery scope before work begins.
System recovery

System failed after installer went quiet?

We'll work through what happened, attempt remote recovery where possible, and give you a fixed-price scope before any engineer visit. Same-day triage availability.

  • Same-day triage availability
  • Fixed scope before any engineer visit
  • Covers all major brands and system types

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Call 07944 877 329 Book free diagnostic