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How to check the filter caps on a GT and/or PV series inverters?

filter cap fuse blown and test to check if the filter caps are still good

Product Line:
PV and GT series


Noise or bad filter cap

If the filter cap fuse blown, thee is a good posibility that the filter cap might be bad. To check it, you need to remove all the filter cap fuse from the circuit. Use the multi-meter and select the capacitance measurement and check phase to phase AB, BC, and CA and make sure that the reading are similar on all three phases. Example: 60, 60, 30 (This is bad);  60, 60, 59 (This is good).
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