The #1 Cause Of Blown Fuses | Service Call

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In this video, we get a demand call stating the system is not turning on at all. After arriving the fuse is blown. Josh has a suspicion as to what caused it and explains the #1 cause of blown fuses in our industry.
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Опубликовано:

2 окт 2024

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Комментарии : 23

@Gatsu1995 Год назад

Good work making sure their system is up to par before finishing the job. My clients love thorough work too.

@mohamedelouss2935 Год назад

In my opinion this channel deserves more support. honestly nobody gives useful tips better than this

@dalton_carp 4 месяца назад

My fuse is blowing when I turn ac on and when heat is on. It does not blow when I turn the fan on. What do I do next?

@waltbuzby8644 5 месяцев назад

Everytime the thermostat calls for cooling, the 3 amp fuse inside at furnace shorts out. Nothing has been replaced , unit works in heat mode and its only going on 5 yrs old . Any ideas ?

@race5050R1 4 месяца назад

I have same problem. So what next?

@lime8738 2 месяца назад

@@race5050R1what did you figure out?

@race5050R1 4 месяца назад

So what was the root of problem? The capacitor and contactor, or the new thermostat. I’m blowing 3A fuse in controller when cooling. No changes in system since new. System around 8-10 years old.

@race5050R1 Месяц назад

Ended up being the contactor.

@chesstime356 Год назад

So where did you find the short on the system?

@HVACTechTips Год назад

The home owner replaced the thermostat, which caused the short because they didn't turn the power off before hand.

@aaronsanchez4217 5 месяцев назад

So if you don't shut off the power prior to changing out the thermostat. It starts a short? Does this ruin the thermostat? @@HVACTechTips

@brianjc85 5 месяцев назад

@@aaronsanchez4217it's very easy to short the common wire when switching out a thermostat if you leave it on.

@aaronsanchez4217 5 месяцев назад

@@brianjc85 so does the wire need to be replaced? Or the thermostat or both?

@brianjc85 5 месяцев назад

@@aaronsanchez4217 typically just the fuse.

@petemaverick4538 Год назад

Thermostat replaced and blown fuse?? Why? Thanks bro

@HVACTechTips Год назад

The homeowner replaced the thermostat and blew the fuse bc they didn't know to turn off the power to the furnace first. Happens all the time. If you watched until the end, I go over what was replaced.

@petemaverick4538 Год назад

@@HVACTechTips Thanks