Quote:
Originally Posted by Bruzzer DK
The thing’s normally controlled by Dc power is out. I don’t have power at the fuse panel. The inverter appears to be working. I unhooked house batteries and tested them and are showing 13.5 volts. Where do I check back from the house fuse panel for power?
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The inverter/converter/charger provides 12 volt power to the main fuse panel. That device is working because you said the inverter is working and the battery has charging voltage on its terminals.
The easiest place to look for failure is on the main fuse panel. Different inverter/converters have different configurations. Modern designs may have two fuses. My small unit has a 30 amp and a 40 amp. If either one blows, all house 12 volts goes out. One fuse may be labeled "Reverse Polarity". Higher capacity converters may have higher capacity fuses.
Also look for loose or corroded connections on wires from fuse panel to the inverter/converter/charger. Vibration often loosens connectors. Ground connections often corrode. However, it can be any connection. Look for burned insulation near connectors.