Error

Causes

Remedies

Errors 031 to 033 Grid overvoltage > 10 %

The grid voltage of the injecting phase is too high. The Solar Inverter monitors the lower and upper admis- sible grid voltage limits.

If the voltage exceeds the

upper limit by 10 % (Umax = 253 V), the Solar Inverter

will automatically be discon- nected from the grid after 10 minutes (in compliance with E DIN VDE 0126-1-1).

The grid impedance of your grid connec- ting point is too high.

Ask your power supply company about the stability and design of the grid.

The cable cross-section of the AC supply line to the Solar Inverter is insufficient.

Your PV system injects elec- tricity into an insufficiently rated spur line.

Errors 034 to 036 The self-monitoring Solar

Control error Inverter has detected a con- trol fault.

Check the rating of your grid connection (power meter) or the grid injection point to your power supply company.

Ask your power supply company about the stability and design of the grid.

Please call the technical hotline. The phone number is on the back of the user manual.

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Sunway NT 10000 user manual Error Causes