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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have a York Gas furnace with a Rodgers 50E47-070 control.

Customer Question

I have a York Gas furnace with a White Rodgers 50E47-070 control. It gets into a mode where the Hot surface Igniter glows for a period of time and then there ignitintion but 3sec later it drops out. It will than recycle again but the same thing will take place.
The WHite Rodgers module gives a diagnostic flash 1 time.
Submitted: 1 year ago.
Category: HVAC
Expert:  Tim H. replied 1 year ago.

Hi, I'm Tim and I'm an HVAC expert here to help answer your question(s). Please provide all the information I ask for since I'm not onsite. At the end of our dialog you will be asked to rate my service, but please wait until then and all your question(s) have been answered satisfactorily. Thanks for your business!

Have you tried cleaning the flame sensor?

Customer: replied 1 year ago.
substitute a like unit. ( pse-yk1 )
Expert:  Tim H. replied 1 year ago.

Please look up the flash code you are getting on your furnace and tell me exactly what it says for that code?