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Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 21391
Experience:  40+ yrs. experience as a licensed oil & gas technician.
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My furnace, RGPJ, 10yrs old, made a strange buzzing noise

Customer Question

My furnace, RGPJ, 10yrs old, made a strange buzzing noise (like the buzzer alert from a dryer when it's finished) - only louder. Lasts maybe a minute or two then goes off. Repeats in about 20 min. & does it 4 or 5 times. Tried turning the unit off, wait, & on (like a computer solution) nothing. Heat will not turn on while it's in this mode. About an hour later the heat finally turned on, and it's working fine now. This same thing happened 6-weeks ago, called a repair man, found nothing wrong, but did routine maintenance.
What is this "alarm buzzer" ? Local service repair people seem to know nothing about it.
M. Jacobs
Submitted: 1 year ago.
Category: HVAC
Expert:  Rick replied 1 year ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

There is no alarm buzzer on this unit. I suspect what you're hearing is a relay chattering and the unit not working would be symptomatic of a relay issue.

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