RobD21 Posted March 18 Report Share Posted March 18 My indoor panel is locked up and just says Firmware RevB13. I pulled the cover off and tried resetting it, didn't work. My question is how to I decipher this serial number? C12RSAMK1421. Also it says REV.R 46/12 could it just be the wires? Quote Link to comment Share on other sites More sharing options...
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