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We have a lennox elite heating system with 3 zones that will…

Customer Question
hi.. we have a lennox...
hi.. we have a lennox elite heating system with 3 zones that will not start. I can hear the zones clicking and turning green ... but furnace does not start
Submitted: 2 years ago.Category: HVAC
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Answered in 2 minutes by:
2/14/2016
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 23,041
Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
Verified

Hello,

in the furnace is a circuit board with lights.

See page 48 HERE and tell me which code the light pattern relates to.

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Customer reply replied 2 years ago
ok .. there were two lights on the bottom panel - 1 red and 1 green. They were both on .. and then both went out.
Let me go and look one more time. I need 2 minutes
Customer reply replied 2 years ago
they are both out
Customer reply replied 2 years ago
actually I turned the power off and back on .. now they are both flashing slowly
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

ok is the thermostat is asking for heat?

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Customer reply replied 2 years ago
all 3 zones .. and I can hear them trigger. and all 3 zones have green lights
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

Thank you, ***** ***** the exhaust fan in the furnace running? This code means the exhast should be running but is not....if there is no exhaust motor we need to see if stuck,,(rodent/bird etc..

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Customer reply replied 2 years ago
something just happened..
I hear the fan now
and both lights are flashing quickly
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

quickly at same time or alternating?

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Customer reply replied 2 years ago
same time
Customer reply replied 2 years ago
another fan or something just started ..
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

and is burner on?

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Customer reply replied 2 years ago
that is what I hear
Customer reply replied 2 years ago
we feel warm air now from the vent in zone3
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

ok so far the power off/on did a reset....is filter clean and pipes above snow?

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Customer reply replied 2 years ago
to both ... I think it just needed the reset
all 3 zones have heat
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

excellent...the furnace works with different power than the zone and thermostats.

If it fails again note light pattern and let me know. I have free follow up for 30 days after service is rated at top of page.

I thank you

Billy

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Customer reply replied 2 years ago
thank you
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

better than a Sunday service call!

Thanks for your patience.

Billy

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HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

Did you still want the question to remain open?

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HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 2 years ago

To move off active list just rate service

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BillyHvac
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 23,041
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Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics

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