Question about Carrier 38CKC036 Air Conditioner

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Blank thermastat i have a blank thermastat lcd

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Check for a blown fuse inside the air handler.

Posted on Oct 21, 2008

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When i trun the thermastat on the fuses blows if i leave the thermastat in off position the fuses dont blow if i disconnect the red wire from air handler and the a/c it dont blow


Fault is on your unit , Thermostat is off , then most lilkly to unit , so no power, fuse will no blow ! Don't disconnect ,wires unless you know what you are doing.

Mar 16, 2015 | Air Conditioners

1 Answer

Thermastat display is blank


have you replaced the batteries in the thermostat? some didital thermostats have batteries and wont work when they are bad

May 07, 2012 | Air Conditioners

1 Answer

My furnace is not reaching the temperature the thermastat is set to so we replaced the thermastat and now the furnace continues to run sometimes the air is warm and sometimes the air is cool.


you haven't given enough information. Is your system forced air? If so it may be a problem with too much cold air mixing with vent damper.

Jan 25, 2011 | Air Conditioners

1 Answer

When the thermastat turns on the furnace doesn't ignite the burners and the pilot light is lit. Everything appears to be normal, fan runs, thermastat appears to work properly.


You may have an open limit or a bad gas valve. Check and see if you get 24 volts to the gas valve, if you do then you gas valve has gone out.

Oct 06, 2010 | Air Conditioners

1 Answer

No Power to Duo-Term Thermastat


Can you give me model #'s of thermostat & AC unit, as well as upper unit? Number of or at least a description of thermostat, and numbers for ceiling assy should be visible when filter taken off, as well as # for upper unit should be tagged on bottom of unit on roof.

Jul 17, 2009 | Air Conditioners

1 Answer

The digital display is not functioning


the thermostat could be bad. It may have gone bad on its own or due to a short in the supply wiring. Sometimes mice will chew on the wiring in the wall that leads to the thermostat. But I wouls change the thermostat. They do go bad. Make sure you turn the inside unit off first in case you accidently touch wires together. This will blow the transformer inside the unit if the fuse doesn't blow first. I even scene thermostats with fuses inside. So you may want to take the thermostat apart and check for inside fuse also.

Jun 18, 2009 | Honeywell Air Conditioners

2 Answers

Thermostat


Heat pump Thermastats have Terminals RYW/OW2 G C. I run into this a lot with people buying tStats at home depot. To wire three sages of heat you must have correct tstat. one stage cool and three stage heat. You have to have enough wires at the Tstat. I use white first stage brown second and grey or black third. Make a diagram where each wire goes. Remember to trun of air handler power or you will short the transformer or blow low voltage fuse. Yellow cool, green fan, most of the time blue is c unless it is a battery tstat. orange is O. Red R ot power wire. Rusty

Jun 03, 2009 | Air Conditioners

1 Answer

Ac heat carrier thermastat model no.hh01ad042


GOto the iside unit itself. and remove the door and look for a terminial strip that the thermostat wires from the thermostat connects to and write down the colors wires and the letters they're connected to and connect the same to the thermostat .... they should be... r--red=power w-white=heat y--yellow=cool g-- green=fan! See which wires/ colors they're not using and bend back! Thank-you-very-much!

Aug 31, 2008 | Air Conditioners

1 Answer

Blank Thermastat LCD


check power to the furnace.

Aug 10, 2008 | Carrier 38CKC036 Air Conditioner

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