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My honeywell HZ322 TrueZONE isn't blowing hot air, so I'm

Customer Question
trying to see what solutions...
My honeywell HZ322 TrueZONE isn't blowing hot air, so I'm trying to see what solutions I need to try.
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: I replaced the furnace filter in December. All 3 thermostats say that the heat is on. I've double checked the breakers too.
JA: Do you plan on doing the work yourself?
Customer: The work? Hopefully there won't be any work and it's just owner error...
JA: Anything else we should know to help you best?
Customer: The furnace is in the attic. I shut the furnace switch off and on. The fan seems to be working, but i'm not getting hot air.
Submitted: 10 months ago.Category: HVAC
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Answered in 30 minutes by:
1/5/2017
HVAC Technician: Phil, Mechanical Engineer replied 10 months ago
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6,022
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial
Verified

Hello, the problem my be with the furnace not the zone control in this case.

Remove the panel that exposes the furnace blower, then hold the panel door switch in if its there and tell me if you see any blinking lights on the printed circuit board or not.... if you do not see any, then look for a 3 amp automotive type fuse on the printed circuit board and pull it out and look to see if its blown or not.

Beyond this level you will need a multi meter to do some voltage measurements and other tests with... let me know if that is within your skill sets or not, we can go from there

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Phil
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6,022
6,022 Satisfied Customers
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial

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