FAQ
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Power plants and power stations are not generating electricity
- Check whether the transformer and related equipment are normal.
- Check whether the inverter is normal.
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PR is too low
- Check the solar panel for dirt or obstruction, which affects power generation.
- Check whether the inverter is working properly.
- Check the solar panel for crack or open circuit.
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The communication of pyranometer and AC meter equipment is abnormal
- Check whether the network is normal
- Check whether the gateway is working properly.
- Check whether the communication line is damaged or loosened.
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AC meter is abnormal
- Check whether the transformer and related equipment are normal.
- Check whether the voltage and current connectors of the AC meter are loose.
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Luxometer is abnormal
- Check the luxometer for dirt.
- Check whether the luxometer is set correctly.
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Inverter has error code
- Find out the problem according to the error code description of each inverter.
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Inverter temperature is too high
- Check whether the cooling fan is activated.
- Check the exhaust vent for block.
- Check whether the power generation value of inverter is close to its maximum capacity.
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Power generation conversion efficiency is abnormal
- Check whether the inverter is abnormal.
- Check whether other AC equipment is working properly.
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Inverter communication is abnormal
- Check the communication contact for burnout.
- Check whether the line is loose.
- Check whether the inverter is working properly.
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A certain string's power generation data is 0
- Check the fuse for burnout.
- Check whether the power line of solar panel is normal.
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SPD is abnormal
- Check whether SPD is open circuit.
- Check whether SPD wiring is loose.
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Combiner box temperature is too high
- Use the thermal imaging camera to detect the higher temperature part in the combiner box, and then handle it.
- Check whether all power contacts and the screws inside the combiner box are loose.
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Combiner box communication is abnormal
- Check whether the network is normal.
- Check whether the gateway is working properly.
- Check the wiring for damage or loss.
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Solar string data is too low or abnormal
- O&M team needs to clean up the solar panels.
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Data is disconnected
- Check whether the communication equipment is powered.
- Check the communication wiring for damage or loss.
- Reset communication equipment and power supply.
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Information collection is incomplete (gap or losing data)
- Check whether the voltage input is normal.
- Check whether the network is normal.
- Check the communication wiring for damage or loss.
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Monitoring equipment can’t display power generation data
- Check whether the voltage input is normal.
- Check the communication wiring for damage or loss.
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Control system can’t obtain equipment data
- Check whether the voltage input is normal.
- Check the communication wiring for damage or loss.
- Check whether the data collector is set correctly.
- Check whether the equipment is working.