Solar Panel, Battery & Inverter Repairs
Has your solar stopped generating, is your battery not charging, or has your inverter developed a fault? Get qualified testing, clear advice and a professional repair.
- Systems installed by Mr Solar or another company
- Inverter, battery, monitoring and metering faults
- NAPIT approved and MCS certified specialists
- More than 12 years’ solar industry experience
Book Your Repair
Tell us what has stopped working and our team will contact you.
Renewable energy competence
Registration NAP-68241
Consumer protection
Registration 2974725Real installations our team supports


Get the Whole System Checked
Solar and battery faults are not always caused by the item showing the error. We test the installation methodically, identify the likely cause and explain the options before recommending replacement equipment.
Solar PV Diagnostics
Low generation, failed strings, insulation faults, damaged cabling, failed optimisers, isolator problems and panel performance concerns.
Inverter Faults
Error codes, repeated tripping, failed inverters, configuration issues and compatible replacement options where required.
Battery Storage Faults
Batteries not charging or discharging, communication errors, incorrect state of charge and reduced capacity concerns.
Monitoring & Wi-Fi
Offline apps, failed data loggers, lost portal access, Wi-Fi reconnection and monitoring that no longer matches the system.
Metering & Export
Incorrect CT direction, reversed readings, generation meter faults and FIT or SEG metering concerns.
EPS & Backup Power
Backup circuits, changeover equipment, gateway faults and systems that do not operate correctly during a power cut.
We Aim to Repair Before Replacing
Where a system can be economically repaired, recommissioned or reconfigured, we will explain the available options. If equipment has failed or manufacturer support is no longer available, we can advise on a sensible modern replacement.
Discuss Your System- Modern inverter replacement
- Battery additions and upgrades
- Existing system inspection and takeover
- Monitoring restoration
- Thermal drone inspection
- Panel removal and reinstatement
- Bird protection and cable repairs
What Happens Next
Tell Us the Problem
Send the make, model, fault code, postcode and photographs where possible.
We Review It
Our team checks the details and confirms the price and the most suitable next step.
On-Site Testing
We inspect and test the relevant parts of the solar, battery and electrical installation.
Repair & Verify
Approved work is completed, tested and checked for correct operation.
Professional Advice, Testing & Support
“Great service from start to finish from Ian and the team.”
Paul Thomas
“The installers were polite, accommodating and completed the work within a very quick time frame.”
Matthew Aldred
“We are very impressed with how the system is working for us.”
Garry Mahn
“Good support to get things running and understood.”
Vincent Colby
Solar Repair Questions
For a specific fault, include the equipment make, model and error code in the enquiry form.
Can you repair a system installed by another company?
Yes. Much of our repair work involves systems installed by other companies, including where the original business has stopped trading or no longer provides support.
My battery is not charging. Does it need replacing?
Not necessarily. Charging problems can be caused by settings, CT installation, communications, firmware, tariff schedules, configuration or electrical faults. Diagnosis should come first.
Can you replace an old solar inverter?
Yes. We can test the existing system and recommend a compatible modern inverter where replacement is required.
Can you investigate low solar generation?
Yes. We can investigate panels, strings, inverters, optimisers, shading, metering and monitoring to identify likely causes of poor performance.
Will scaffolding be required?
Many inverter, meter, monitoring and ground-level faults can be investigated without scaffolding. Safe roof access may be needed for panel, rooftop cable, mounting or bird-damage work.
Get Your Solar & Battery System Working Again
Book a diagnostic visit or speak to our Norfolk and Suffolk repair team.
