Furnace Not Working - Troubleshooting the Flame Sensor

Furnace not working - Flame sensor troubleshooting. This video is packed with just about all the information about flame sensor testing, operation, troubleshooting, and repairs. I did a lot of reading and research besides my own experience to make sure the info I present in this video is legit. If I did miss something though or if you have other tips/facts/useful suggestions, please chime in via the comment section below.
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📝 Furnace Parts Reference List:

Furnace Filters 6 Pack:
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FM55 Motor Bracket:
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409 Hot Surface Ignitor:
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402 Hot Surface Ignitor:
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Universal Nitride Ignitor Kit:
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Universal Nitride Ignitor:
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Flame Sensor:
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1/4 HP Blower Motor:
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1/3 HP Blower Motor:
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1/2 HP Blower Motor:
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3/4 HP Blower Motor:
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5 uF Oval Capacitor:
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7.5 uF Oval Capacitor:
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10 uF Oval Capacitor:
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15 uF Oval Capacitor:
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Carrier 80% Inducer Motor Kit:
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Carrier 90% Inducer Motor Assembly:
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Goodman 80% Inducer Motor:
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Goodman 90% Inducer Motor:
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Trane 80% Inducer Motor:
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Trane 90% Inducer Motor:
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3" Hi-Limit Switch:
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Small Hi-Limit Switch:
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Honeywell Gas Valve:
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Round Digital Non-Programmable Thermostat:
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Basic Honeywell Programmable Thermostat:
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Nest Thermostat:
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🛒 For a Complete List of Tools and Parts Visit my Amazon Page:
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📷 Interested in What Gear I use to Film my Videos?

Sony A6300 16-50mm:
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Sony 35mm Fixed Lense:
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Extra Batteries:
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Memory Card (2):
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60" Tripod:
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Bird-Eye View Tripod:
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Rode VideoMicro Microphone:
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Rode Wireless Go Microphone:
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Neewer Halo Light (2):
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Viltrox LED Light Panel:
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⚠️ Disclaimer:
This video is for educational purposes. All appliance and HVAC repair work should be done by a trained professional. Word of Advice TV is not responsible for any possible damages or injuries caused by the use or misuse of the provided information.
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