In this HVAC Training Video, I Show How to Troubleshoot Gas Furnace LED Error Code Problems. I Discuss What these Status Codes Mean and How to Test the Furnace During Diagnosis! Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

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UEI DL579 Multimeter- https://amzn.to/3GaRAjH
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Timestamps:

0:00 Intro
0:40 Status Code Pamphlet
0:56 Continuous Off LED Code
2:54 Continuous On LED Code
4:28 Rapid Flashing LED Code
5:27 #11 No Previous Code Error Code
5:39 #12 Blower On After Power Up Error Code
7:39 #13 Limit Circuit Lockout & #33 Limit Circuit Fault Error Codes
7:54 #33 Code Already Covered
12:28 #14 Ignition Lockout & #34 Ignition Proving Failure Error Codes
12:41 #34 Code Already Covered
16:46 #21 Gas Heating Lockout Error Code
17:13 #22 Abnormal Flame-Proving Signal Error Code
18:19 #23 Pressure Switch Did Not Open Error Code
20:27 #24 Secondary Voltage Fuse Is Open Error Code
21:21 #31 HPS & #32 LPS Pressure Switch Did Not Close Or Reopen Error Code
28:27 #45 Control Circuitry Lockout
30:24 Outro
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⚠️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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