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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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My furnace indicator light is blinking 6 times which

Customer Question

my furnace indicator light is blinking 6 times which according to the chart means pressure switch is locked. What do we do
JA: Did you check the furnace's filters?
Customer: yes, changed the filters last week
JA: Do you plan on doing the work yourself?
Customer: yes if possible
JA: Anything else we should know to help you best?
Customer: pressure switch cycle lockout
Submitted: 6 months ago.
Category: HVAC
Expert:  gotoman for ac replied 6 months ago.

Russ here. Try turning off power to unit. Wait 1 minute turn it back on and try furnace. Let me know if it fires.