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Unit is located in an enclose box with holes and exhaust fans installed around it. The Connection and Power Pcb of the unit have been replaced once with the same configuration from where it was installed in New Zealand. The same problem happened and then the unit was repalced with a totally new unit and then the same thing happened again. Connection and Power pcb is broken.
What could have been the issue here?
Looking forward to an open discussion.
To help diagnose that depends on how it was broken. Or what components failed.
Was it mechanical damage? Or electrical?
Often it is DC ripple on the power board, so related to undersised cable or battery.
Do you just have unsupported cables just hanging out?
Just guesses right now. Pictures of setup and more details would help. Also the repair centre you are working with should ve abke to explain more.
If in an enclosed box even with holes and fans it could still be over-heating (just not enough airflow), do you have a temp sensor in the box or can you measure the temp?
as Alexandra says some pictures please...
i note from another post of yours "Blown Capacitor on output of 24V- 375W Phoenix Inverter" if on the same setup as Alexandra says DC ripple could be the cause of your issues or did you solve it?
