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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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My goodman has 6 flashes and a fuse which happens quite

Customer Question

my goodman has 6 flashes and a blown fuse which happens quite often I thing it may be the thermostate since it works for a while after changing the fuse and thermostat batteries.
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: Not sure since its dealing with 24 volts
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: I replaced the switch on the outside unit last year didn't seem to help this issue. A tech was out changed the circuit board still didn't help and thermostat is the original so thinking it may be the issue.
Submitted: 1 month ago.
Category: HVAC
Expert:  airheatman replied 1 month ago.

If fuse is blowing there is something shorting in the low voltage control circuit. Does this seem to have a pattern such as when ac is on or when heat is on?

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