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Patrick Wong DDSAug 17, 2025
How to troubleshoot power failure in Grifco Controller?
- WWilliam Wong DVMAug 17, 2025
If there are no lights on the MCB or Controller, start by checking the transformer to ensure the power supply is correctly connected. Also, verify the power supply wiring for any bad connections to the Controller. If lights are on at the MCB but not on the Controller, further investigation is needed.