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My lennox tstat touchscreen is blank on an dual zone unit.
My lennox tstat touchscreen is blank on an dual zone unit. turned unit off and then back on and screen come on but went back blank … read more
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Tamar D
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Vocational, Technical or Trade School
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Was just speaking with you, I have a Lennox Icomfort
I have a Lennox Icomfort Thermostat 10f81. Woke up to a LCD white screen yesterday. The LCD came back twice and is now just a white screen. I do not know the HVAC unit bur do know the Thermostat 10f81. Should I just get a repair professional over? … read more
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Lennox thermostat in "system is waiting" mode. When cooling
Lennox thermostat in "system is waiting" mode. When cooling cycle tries to start the t-stat goes blank and resets to "Home" mode … read more
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I have a Lennox thermostat that is blue screening and I
I have a Lennox thermostat that is blue screening and I can't get it to do anything … read more
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I have a Lennox XC-13 outdoor unit. Not sure which indoor
I have a Lennox XC-13 outdoor unit. Not sure which indoor unit I have. We had a bad Lennox iComfort WiFi thermostat which I replaced today. … read more
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My thermostat has a blank screen. Lennox 5500. Couple days
My thermostat has a blank screen JA: What's the brand and model of your thermostat? How old is it? Customer: Lennox 5500 JA: How long has this been going on with your Lennox thermostat? What have you … read more
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Blank Led display. Lennox elite a,/c systemless than 3 years
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My Lennox thermostat model 103445-04 jumps to "away mode" on
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Phil
Phil
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Lennox thermostat is blank. no batteries. intermittent ..it
Lennox thermostat is blank. JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat? Customer: no batteries . JA: Do you plan on doing the work yoursel… read more
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I have a Lennox thermostat and the screen has gone blank.
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My new Lennox icomfort thermostat is only displaying a
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Have a blank screen on wifi I-comfort 10f81, this is the
this is the second time it happened I did turn breaker off and both times it starts to work screen come back on as it should … read more
airheatman
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I have a goodman cplj36-1b. Can I install a Lennox icomfort
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airheatman
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I have a Lennox furnace, the thermostat went blank. I assumed
I have a Lennox furnace, the thermostat went blank. I assumed the thermostat was bad so I replaced it. Same thing. Checked the diagnostic code, it is 000. Getting power to the furnace, not sure next s… read more
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The Lennox thermostat to my heat pump goes blank for a few
The Lennox thermostat to my heat pump goes blank for a few minutes quite often. It acts like it is rebooting. Everything else is normal.… read more
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HAVE 19 SEAR LENNOX THE THERMOSTAT { PROGRAMABLE } FACE IS
HAVE 19 SEAR LENNOX THE THERMOSTAT { PROGRAMABLE } FACE IS BLANK UNIT NOT RUNNING WHAT MIGHT BE WRONG… read more
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We have a Lennox Signature Stat programmable thermostat and
We have a Lennox Signature Stat programmable thermostat and the screen is blank. It no longer shows the temp, time, etc...What do we need to do to fix this?… read more
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I am a property manager and one of my tenants says his A/C
I am a property manager and one of my tenants says his A/C is completely off and the thermostat is blank. He checked the breaker and next looke to see if the thermostat battery needs to be replaced. H… read more
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Meet the Experts:

Phil

Phil

Mechanical Engineer

8,427 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

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Rick Mather

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Matthew

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Brian HVAC Guy

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Tom

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A-1 Tech

A-1 Tech

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I have been in the HVAC business for over 40 years.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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