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What would cause this 5A fuse to blow? Upper left on board. AC/Heat pump unit wont turn on at thermostat so went up on roof and pulled panel to find 5A fuse
5amp keeps blowing on trane unit when I switch the heat mode. Is the thermostat wired properly or something else I should be looking for? Filter is brand new and very clean.
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Heat-pump comes on for a minute or two and blows low voltage fuse, had all of the whites disconnected inside of the air handler, so nothing wrong with the heat-kit. : r/HVAC
AC Keeps Blowing The 3 Amp Fuse & How To Fix This. - HVAC repairs
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