How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Phil Your Own Question
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
Type Your HVAC Question Here...
Phil is online now
A new question is answered every 9 seconds

My name is ***** *****. Issue is regarding Carrier Model

Customer Question

My name is ***** *****. Issue is regarding Carrier Model 58SSC090-JC
JA: Thanks. Can you give me any more details about your issue?
Customer: Unit goes through a normal cycle. igniter glows, gas valve opens, nice blue flame for a few seconds then shuts off I just replaced the flame sensor still doing the same thing
JA: OK got it. Last thing — HVAC Technicians generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Either board is not sensing flame or you have a gas pressure issue.Do you have a volt meter to see if we are losing 24v to the gas valve as soon at instant burners go off?

Customer: replied 1 year ago.
Gas valve was replaced last year. Yes i do have a volt meter
Expert:  airheatman replied 1 year ago.

Lets do this/Turn to call for heat and allow burners to ignite.Put leads on gas valve terminals,there will be 24 volts. Then very second burners go out watch and see if we lose the 24v or if the 24 volts stays a couple of seconds until flame sensor realizes flame is gone.