Fault Busters: A Field Technician’s Guide to Troubleshooting Solar Inverter Issues
- Jun 29, 2020 5:10 pm GMT
This article was originally published in February 2020 by Solar Builder Magazine.
You’ve got a fault code or even a whole series of fault codes, and it looks like something has gone wrong with an inverter. Downtime is expensive, so a technician needs to hop in a truck and go fix that faulty inverter pronto, right?
Hold on there. Effective troubleshooters never shoot from the hip. The best field technicians know that those initial fault codes are just the start of a puzzle that requires a measured plan of attack to resolve. Inverters can represent up to one-fifth of the cost of the entire system, but they are the source of 80 percent of the issues when something goes wrong. Getting smarter about fixing those problems can make you a better technician.
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