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I have a Lennox c33-43c-2f-6 and the thermostat will not…

Customer Question
I have a Lennox...

I have a Lennox c33-43c-2f-6 and the thermostat will not come on to set the temperature worked last night but not this morning I have check all the breakers

Contractor's Assistant: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?

Thermostat the HVAC is showing power

Contractor's Assistant: Do you plan on doing the work yourself?

Hopefully

Contractor's Assistant: Anything else we should know to help you best?

It's only 2 years old

Submitted: 8 months ago.Category: HVAC
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Answered in 13 minutes by:
12/3/2017
HVAC Technician: Gaztech, HVAC Technician replied 8 months ago
Gaztech
Gaztech, HVAC Technician
Category: HVAC
Satisfied Customers: 937
Experience: Owner at Gaztech
Verified

Hi I amCustomer a independent technician, I will assist you with your issue.

Don't forget to rate the 5 star rating AT THE TOP OF PAGE if we are done. this will credit me for assisting you

If you set fan on at thermostat, does fan start?

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Customer reply replied 8 months ago
The thermostat box will not turn on
HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

Be more specific, your saying T-STAT is blank?

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HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

Forget phone call for now, lets continiue texting

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Customer reply replied 8 months ago
T stat is blank
HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

Gas or electric furnace?

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Customer reply replied 8 months ago
Gas
HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

OK cause model you provided is for the AC coil, not furnace.

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HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

You will provide me the proper model number,

but first look through sight glass in bottom panel of furnace, is there a flashing LED light?

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Customer reply replied 8 months ago
It's on but not flashing
Customer reply replied 8 months ago
Ml193uh
HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

Stand by

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HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

It indicates normal operation, no call for heat

Check wiring to t-stat, for bad connection to terminals

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Customer reply replied 8 months ago
I guess I will call a service tech to come out I am not a expert on checking wiring
HVAC Technician: Gaztech, HVAC Technician replied 8 months ago

OK

PLEASE Don't forget to rate the 5 star rating AT THE TOP OF PAGE if we are done. this will credit me for assisting you

Best of luck, relay the info to tech of what needs to be done

Best regards

Gaztech

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HVAC Technician: Gaztech, HVAC Technician replied 8 months ago
I noticed question is still opened, please dont forget to rate the 5 star rating if we are done.Sincerely
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