Sma Inverter Problems

Again we see faults.

Sma inverter problems. This is a nice failsafe to power critical appliances during an outage. I have found that almost every site is throwing faults if using sma string inverters. Many models have now been discontinued such as the sunny boy 1100 1600 1700. Sma solar inverters were originally only produced in german factories but the firm went through a period in 2017 2018 where they manufactured their single phase sunny boy.

Founded way back in 1981 the company is based in germany turns over billions and employs around 5000 people. They have been installed by solargain from 2009 until present. Sma decided the problem was in the inverter s cca firmware so after it delivered new firmware sunwise s tech made the two hour trip and installed it to no avail. And yes on the latest firmware.

Sma are the big granddaddy of inverter manufacturers. A feature unique to sma inverters is the secure power supply sps. Good performance by inverters is therefore very important. Swap the sma out for fronius good bye arc faults.

Its unfortunate it didnt last longer we have had very few sma failures over the years however of the few the hf unit does seem to be more common to fail early. In regard to the longevity of an inverter they would be the hardest working appliances in a home as they run 10 12 hours a day 24 7. With the failure of the second firmware installation there was another rewrite of the firmware and sunwise s most senior technician made the trip for yet another failed. Sma technical help can be reached by visiting sma service support or by calling 1 877 my smatech 1 877 697 6283.

Solargain can assist you with any sma warranty issues. We will need the. Inverter throws an arc fault. Sma is a german brand of inverters usually coloured red but also blue yellow and beige.

Ok standard troubleshooting i swap the strings. Alternatively you can use sma smart connected free of charge and activate it in the sunny portal. Defective inverters can lead to significant production losses. Sma inverters initially came with a 5 year warranty with the option to extend it to 10 years.

If there is a wire problem the fault should move. Whilst the modules are responsible for generating electricity the inverters are responsible for converting and feeding the power to the grid. Through sma smart connected the inverter sends errors directly and automatically to the sma contact center or to you as installer. The sps provides a source of backup power in case of emergencies.