Installation
The installation process, how to vet a solar company and Karachi site issues.
Solar installation · Maintenance
Solar Panel Maintenance and Repair in Karachi
A solar system does not need much, but it does need something. Dust, salt air and loose fixings cost output long before anything fails.
- ✓ Cleaning schedule
- ✓ Quarterly checks
- ✓ Common faults
What wears in Karachi
Karachi is dusty, salty and humid. Dust lies on the glass and cuts output. Salt air attacks bare metal and weak connectors. Humidity near 61 percent, higher in August, finds every gap in a cable gland.
None of this means a system will fail. It means that a short routine pays back. Most faults are found by looking, and the cheapest repair is the one done before the problem grows.
A simple maintenance schedule
A guide, not a rule. Adjust it to your roof and your dust.
| How often | What to do | Who |
|---|---|---|
| Every month | Look at the inverter screen for errors. Note the daily output. | You |
| Every 2 to 4 weeks in dusty months | Rinse the panels early in the morning. | You or a cleaner |
| Every 3 months | Check structure bolts, cable ties, and glands. Look for hot spots or discolouration. | A technician |
| Every 6 months | Check the breakers, the earthing and the surge protector. Check battery terminals. | A technician |
| Every year | Full inspection and a comparison of output with the same month last year. | A technician |
Cleaning panels safely
A few simple rules protect both the panels and the person.
- Clean when cool. Rinse in the early morning or the evening. Cold water on hot glass can stress it.
- Use clean water and a soft brush or cloth. Do not scrub with abrasive pads, which scratch the coating.
- No pressure washers. High pressure can force water into seals.
- Do not climb onto the panels. Walk on the roof, not on the glass.
- Mind the roof edge. Do not clean a roof without a safe way to stand. Hire someone with the right access if in doubt.
Common faults and first checks
For information only. Do not open the inverter or touch DC wiring. Call a technician.
| What you notice | Likely cause | First step |
|---|---|---|
| Output is lower than last month | Dust, shade, or seasonal change | Clean the panels, then check for new shade |
| Output has dropped suddenly | A tripped breaker or a failed string | Look for error codes and call us |
| Inverter shows a grid fault | Grid voltage out of range or loss of grid | Wait, note the code, and report it if it repeats |
| Battery runs flat early | Ageing, overload, or poor charging | Compare the load with the battery size and call us |
| Burning smell or visible damage | Overheated connector or damaged cable | Switch off at the board if it is safe, keep clear and call a technician |
Safety first
Solar panels make power whenever there is light, and the DC side stays live even when the grid is off. Do not open inverters, touch exposed DC cables or work on a wet roof. If you smell burning or see smoke, keep away and call a qualified technician.
Warranty repair and after-sales service with us
Warranty repairs are done by the brand. For Crown, we replace the product during the warranty period and send the faulty unit back to the company. For other brands, we file the claim, wait for the brand to approve it and then replace the part.
All other after-sales service is done by us. Tell us what system you have and what you see. We will tell you whether it is something we can look at and what the next step is.
FAQs
Questions people ask us
Short answers. For your own property, send us your electricity bill and roof details.
Ask on WhatsAppEvery 2 to 4 weeks in dusty months is a common guide. Look at the glass and at the output on the inverter screen.
Yes, if the roof is safe. Use clean water and a soft cloth, in the early morning or evening, and never climb onto the glass.
Common reasons are dust, new shade, the season, a tripped breaker or a failed string. Check the inverter for error codes.
A routine of cleaning and a few checks a year is a small cost compared with the lost output from neglect.
The brand does warranty repairs. We file the claim and replace the part after approval, and we do all other after-sales service.
Related pages
Solar Inverter Repair
Solar inverter faults, what to note, and how warranty repair works.
Lithium Batteries
Lithium LiFePO4 batteries: capacity maths, compatibility and safe placement.
Breakers & SPD
DC breakers and surge protectors: ratings, standards and the mistakes to avoid.
Want your system checked?
Tell us what you see on the inverter and how old the system is. We will advise on the next step.