S
screwdriver
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And the reason there was no DC at the inverter? any ideas?!!! Needless to say the customer's insurance company wouldn't cover vermin damage so we replaced this panel at cost and had to repair a few of the other cables. Has anyone else suffered this badly? luckily it was the top panels and we could comfortably get to them from the ridge ladder with harnesses on otherwise it would have been a scaffold job.