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Chip The ignitor lights up on my furnace but the gas never…

Customer Question
Chip The ignitor lights...

Chip The ignitor lights up on my furnace but the gas never flow.

Contractor's Assistant: Thanks. Can you give me any more details about your issue?

York Diamond 80, ignitor lights up but the gas never flows

Contractor's Assistant: OK got it. Last thing — JustAnswer charges a fee (generally around $18) to post your type of question to HVAC Experts (you only pay if satisfied). There are a couple customers ahead of you. We can help you for less if you're not in a rush. Are you willing to wait a bit?

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Submitted: 2 years ago.Category: HVAC
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Customer reply replied 2 years ago
The gas valve and the thermocouple has been replaced, still can't get gas to flow.
Answered in 17 minutes by:
1/16/2016
HVAC Technician: airheatman, HVAC Technician replied 2 years ago
airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 9,346
Experience: Furnace, A/C and heat pump specialist.
Verified

Are you getting 24 volts to the gas valve when igniter lights and do you hear valve click?

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Customer reply replied 2 years ago
I don't know how to test if I am getting 24 volts. I don't think I am hearing a click...would it be a distinct click?
HVAC Technician: airheatman, HVAC Technician replied 2 years ago

New valve click may not be real loud. Do you have a multi meter for checking voltage?

We would need a meter to troubleshoot. You can get an inexpensive one at Walmart for about 15 bucks if you would like to troubleshoot and I would be happy to guide you.

http://www.walmart.com/ip/Innova-3300-Equus-3300-Hands-free-Digital-Multimeter/14644665

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Customer reply replied 2 years ago
I need to check if I still have a multi meter
Customer reply replied 2 years ago
I have a meter
HVAC Technician: airheatman, HVAC Technician replied 2 years ago

Let me know and tell me if you have only 2 terminals on valve or if more than two terminals I will need complete model on furnace to see which terminals we want to check.

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Customer reply replied 2 years ago
York model # *****
HVAC Technician: airheatman, HVAC Technician replied 2 years ago

You should just have 2 terminals on valve.Set meter to lowest AC volt setting above 24 (probably 200) put one lead on each terminal and lets see if we get voltage to valve when igniter lights.

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Customer reply replied 2 years ago
This will take a bit I have to go to the attic
HVAC Technician: airheatman, HVAC Technician replied 2 years ago

Let me know what you find and we wil go from here.

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Customer reply replied 2 years ago
sorry, had to get a battery for meter, I will test now
HVAC Technician: airheatman, HVAC Technician replied 2 years ago

No problem

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Customer reply replied 2 years ago
I went to check the voltage with the unit running and when I touched the terminals with the leads it ignited. I cycled it again and it lit no problem
HVAC Technician: airheatman, HVAC Technician replied 2 years ago

Ahh maybe just bad connections on valve,Make sure they are clean and tight and see if it continues to work.

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Customer reply replied 2 years ago
Thanks!
HVAC Technician: airheatman, HVAC Technician replied 2 years ago

Thanks for letting me work with you.If my answer has been polite, professional,and thorough, please click one of the ratings before you go. If you still need help let me know!.Expert is not paid for assisting you until you rate answer.Feel free to follow up for 30 days at no additional cost. Bonus always appreciated if you feel justified

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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