It is an electrical fusion caused by excessive voltage transients on the input or output of the inverter. It is highly likely that an extraneous event such as lightning or a power surge on the grid is the root cause of this issue.
Unfortunately, the d-27 fault is not covered by Sharp’s warranty. However some home insurance policies will cover this type of fault, so it’s worth checking. If Origin installed your Sharp JH1600 inverter, they may provide a solution, however their process is lengthy and slow.
Service My Solar can assist you with the process of having the repair conducted by Sharp, however freight is not covered, the fault is not guaranteed warrantable and wait times are lengthy – meaning the out-of-pocket expense may be higher than the cost to replace the unit.
The best solution is to replace the faulty Sharp inverter with a 1.5 kW solar power inverter. We recommend the Fronius Galvo 1.5 as its quality is excellent, it has a great warranty and is sized perfectly to replace the Sharp JH1600.
We can assist you to claim the cost of replacing your inverter back from your home insurance if applicable. You may also want to consider upgrading to a larger size inverter to maximise your solar power system’s energy output.
We can help you get your solar power system fully operational as quickly as possible. Service My Solar have a highly experienced team who specialise in repairing faulty inverters.