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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Just changed air filter now the light stays on when the air

Customer Question

just changed air filter now the light stays on when the air conditioner is on or off. left it all night came downstairs and found light off. air came on and no light. toggled the swicth off for 10 sec light comes on and stays on I reinstalled old filter same problem
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: yes and I turned the power off furnace before I changed the filter
JA: Do you plan on doing the work yourself?
Customer: IM just want to know what happen so when I call someone out I have a idea whats wrong
JA: Anything else we should know to help you best?
Customer: no I have changed this filer many times what could go wrong
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Where is this light you are referring to? (Thermostat, furnace or electronic air cleaner)?