Comprehensive diagnostics — South Wales
Renewable Energy Fault Finding
Not sure what's wrong with your system? Our engineers carry out a comprehensive diagnostic inspection covering all renewable energy technologies — solar PV, battery storage, heat pumps, and solar thermal.
We find the problem, explain what's causing it, and give you a fixed-price repair quote. You decide whether to proceed.
£110
Call-out & diagnosis inc VAT
£55/hr
Additional labour if repair needed
Written report
Clear findings and repair options
All systems
Solar PV, battery, heat pump, solar thermal
Systems we diagnose
We cover all renewable energy technologies
Solar PV
- No generation or zero output
- Low or underperforming output
- Inverter fault codes and errors
- Panel and string testing
- DC isolator and wiring faults
- Monitoring and communications
Battery Storage
- Not charging from solar or grid
- Not discharging at night
- BMS error codes
- Inverter–battery communication faults
- App monitoring issues
- Capacity degradation testing
Air Source Heat Pumps
- Not heating or insufficient output
- Fault codes and alarms
- Refrigerant and pressure checks
- Defrost cycle problems
- Controls and thermostat faults
- Noisy or vibrating unit
Solar Thermal
- Not heating domestic hot water
- Pump failure or controller faults
- Glycol level and system pressure
- Collector damage or scaling
- Differential controller issues
- Legionella and hot water temperature checks
Our process
What to expect from a fault finding visit
1
Tell us the symptoms
Before you book, WhatsApp or call us with the symptoms, any error codes, and your system details. This helps us bring the right test equipment.
2
Site visit & full test
We carry out a systematic test of every component in the affected system — electrical, mechanical, controls and monitoring. Nothing is assumed.
3
Written fault report
You receive a clear written report: what we found, what caused it, and what your options are. We explain it in plain language — no jargon.
4
Fixed-price repair quote
If repair is needed we provide a fixed-price quote before any work begins. You choose whether to proceed — no pressure, no hidden charges.
Pricing
Clear, upfront charges
£110
Call-out & diagnosis
Includes VAT. Covers the engineer's visit, full system test and written fault report. Payable regardless of outcome.
£55/hr
Repair labour
Only applies if you proceed with repair. Parts and components quoted separately. All costs agreed before work begins.
Something not right? Let's find out what it is.
WhatsApp us a description of the problem and your system details — we will advise whether a call-out is the right next step.
Specialist repair pages
Need a more specific repair service?
Where we work