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100 Troubleshooting
11. Push the fuse holders back into position.
12. Repeat steps 7 to 11 for all string inputs in use.
13. Reconnect all DC cables to the corresponding inputs on the inverter.
14. Replace the front and bottom covers. See section
front cover and bottom cover
15. Perform the following applicable actions:
- Switch on all disconnecting switches and circuit breakers on the DC side.
- Switch ON the DC switch of the inverter.
16. Check that the inverter resumes normal operation.
17. Monitor the inverter for a few days to ensure that it is working correctly.
Replacing the surge protection device
The surge protection device has 3 cartridges which are consumable parts. When a
DC side voltage surge occurs, for example because of a thunderstorm in the area,
the SPD cartridge might wear out. The indicator on a worn out cartridge will turn from
green to red and the inverter shall give warning code 1001. A cartridge with a red
condition indicator must be replaced to ensure that surge protection is functioning
correctly. For the correct SPD cartridge type see
requirements
on page 113.
1. Turn the inverter's DC switch to '0'.
2. Remove the front cover. See section
bottom cover
on page 51.
3. Check the condition of cartridges. See
green or red?
4. Replace cartridges which have a red indicator with new ones of the same type.
5. Replace the front cover. See section
bottom cover
on page 51.
6. Turn inverter's DC switch to '1'.
7. Reset the active 'Replace SPD' warning. See section
if there is an active fault message
8. Check that the inverter resumes normal operation.
9. Monitor the inverter for a few days to ensure that it is working correctly.
on page 51.
DC Input data and solar array
Removing and replacing the front cover and
Layout drawing
Removing and replacing the front cover and
on page 101.
Removing and replacing the
on page 25. Is the indicator
Generic actions to perform
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