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Thehvacguy
Thehvacguy, LIC HVAC,Plumber
Category: HVAC
Satisfied Customers: 2056
Experience:  Certified HVAC Universal Technician,Lic plumbing contractor, 28 yrs exp
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The screen on my 51m26 thermostat went black while changing

This answer was rated:

The screen on my 51m26 thermostat went black while changing settings. It works but I can barely see the readout. How can I get the screen back to normal?

Thehvacguy :

hi im gary

Thehvacguy :

you can still see the read out, but its dim? correct?

Customer:

yes

Thehvacguy :

if you push on both side of stat does that help? (meaning could have a poor connection from stat front to stat base

Thehvacguy :

and does your thermostat take batteries?

Customer:

Don't know, I will try now.

Thehvacguy :

ok

Customer:

no change, no matter how or where I push.

Thehvacguy :

does it take batteries?

Customer:

no batteries in this unit

Thehvacguy :

ok, you have had thermostat seperated from the base, do this again, and you will see a few rods, that make connection when you reinsert base

Thehvacguy :

pull it of again, and tell me if the silver pins look correded, or dirty

Customer:

OK, will do

Thehvacguy :

clean them with some steel wool if they do, and reinsert base

Thehvacguy :

making sure it clicks back in good

Thehvacguy :

to make a good connection

Customer:

pins are all shiny and no corrosion.

Thehvacguy :

at this point, if your sure the stat is firmly at the stat base, i would replace the thermostat, as the unit is defective or soon will be, good thing is its working now, but i would replace it as soon as you can. so your not without your unit

Thehvacguy :

You dont want it to give up completely, at the worst time

Customer:

Thanks, XXXXX XXXXX I was hoping for but what I expected.

Thehvacguy :

Sorry for the news

Thehvacguy :

if you need help replaceing it, i can assist with that as well

Customer:

Is there an equivalent current unit. This one is 10 years old.

Thehvacguy :

What do you need, programable, non programable? and are you gas heat/ac electric heat/ac heat pump/emergency heat?

Customer:

basic programmable for gas heat and AC

Thehvacguy :

do you have lowes/home depot/menards store close by?

Customer:

Lowes and home depot

Thehvacguy :

either one will carry what you need, and will do what you want. I recommend a honeywell, they have good reliable thermostats, any one you choose will work on your system

Thehvacguy :

and are simple to set up

Customer:

Will they also control the humidifier that is attached to the furnace?

Thehvacguy :

did you have controls on your current stat? meaning humidity input at thermostat? or just heat or ac control?

Thehvacguy :

your humidifier would be controlled at furnace if so

Customer:

Yes, it has a humidity control.

Thehvacguy :

and yes they would work

Customer:

Thanks. XXXXX need to go look at a replacement.

Thehvacguy :

your welcome, when you get it even after rating just reply to this post if you need help installing it. thanks gary

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