Questions & Answers for: Honeywell lock fuse blows

T8000C Honeywell - fuses??? had a power outage - checked the circuit switches and re-set. Let the AC unit off for a least 10 mins but although it runs - NO cold air. Its SAT and can not get it ...

furnace not blowing heat We have a a TH4210D set to 71 degrees but right now the furnace is blowing cold air. sounds like a thermal fuse

The digital display is not functioning I have T8000C Honeywell thermastat. The digital display is not displaying. The 3V fuse on HVAC circuitboard was blown and has been replaced. The wiring at the ...

...is pulling a lot of amps causing the fuse to blow and no cold air could mean the compressor is locked up and therefore you need a new compressor. ...

keeps blowing fuse no heating keeps blowing fuse no heating check you t stat wires. it sounds like you have the red and white wires touching somewhere. check the thermals where they are tied into the ...

...blows the fuse. I don't understand this; is the S9200 board bad ? If jumping 1 to 7 is blowing the fuse it sounds like a bad board.Not familiar with those but as you said, normally closed limit ...

Blown 24v Slow Blow Fuse Came home from vacation to discover boiler not working. Display was showing U1.25 (software version). Took cover off control module and discovered that 4 amp slow blow fuse ...

...causes the fuse to blow for 24v on the st9120u1101 Blows the fuse as soon as unit is energized There is a short in the thermostat wire. Most common would be near the outdoor unit touching the

4A Slow Blow Fuse keeps blowing in my Prestige Triangle Tube 110 Solo LP with U125 4A Slow Blow Fuse keeps blowing in my Prestige Triangle Tube 110 Solo LP. Replaced the relays with new relays still ...

3 amp fuse keeps blowing when heat is on. Took advice of repair person and purchased and installed a Honeywell 5000 Still blowing fuses. Super frustrating We have 4 year old Goodman heatpump a unit ...