Carrier XHB123D X/Y Series Heat/Cool Air Conditioner - Answered Questions & Fixed issues


the flame detector rod is dirty? try cleaning with sand paper and scraping also. there should be a small amp. reading threw wire coming from flame detector rod. in milli amp range. increases when running. some times i use a jumper to hold gas valve on once started to allow time to test amps.

Carrier XHB123D... | Answered on Apr 02, 2019 | 994 views


Its probably a bad pressure switch where the contacts did not open when the exhaust fan shut off. Check the pressure switch ports and verify there not blocked.

Carrier XHB123D... | Answered on Mar 24, 2018 | 4,256 views


check sail switch by fan

Carrier XHB123D... | Answered on Mar 04, 2018 | 241 views


check gas pressure

Carrier XHB123D... | Answered on Dec 03, 2017 | 129 views


double check the breakers. Turn ALL THE WAY OFF, then ON.

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Carrier XHB123D... | Answered on Oct 22, 2017 | 79 views


I'd like to help but need more information if you could tell me the cycles that took place i can further assist you.
1 inducer motor comes on
2 pressure switch was made
3 ignition started
4 gas valve opened burners lit etc..

Carrier XHB123D... | Answered on Sep 20, 2017 | 117 views


switch is probably bad

Carrier XHB123D... | Answered on Sep 06, 2015 | 92 views


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Carrier XHB123D... | Answered on Aug 07, 2015 | 461 views


Is the blower operating and are your air filters new

Carrier XHB123D... | Answered on Feb 28, 2015 | 100 views


You can use any motor with the same frame size, voltage rating, amp rating, horse power, RPM and rotation. Any motor shop or parts house can help you.

Carrier XHB123D... | Answered on Jul 06, 2014 | 63 views


Shut off the electric to your furnace.

the reason that the line is frozen is because of one two things:
First there is enough air passing over the A coil on your furnace.
Could be dirty filters - closed vents- furnace fan will not run/ stops and starts (bad motor).
Second the charge on your a/c unit is low.

John

Carrier XHB123D... | Answered on Jun 24, 2014 | 43 views


This is likely caused by a faulty blower motor bearings, or the fan has something in it or it could possibly have broken. Shut down power to unit, remove cover and inspect the fan shaft, blades, and spin it. it should freely spin. If it hangs up you likely have a bad blower motor.

Carrier XHB123D... | Answered on Apr 15, 2014 | 153 views


The filter slides out of the bottom of front grill. If there is no room to slide it down and out, remove the 2 screws (1 on each side) then remove front grill to access filter.

Carrier XHB123D... | Answered on Dec 14, 2013 | 28 views


Problem could be a short in the wiring, bad thermostat, or issues with the fan control board.

Carrier XHB123D... | Answered on Nov 22, 2013 | 31 views


Check for a frozen cooling coil. Turn the fan to the on position at the thermostat and the cooling to off. Your cooling coil may be iced over. Allow it to run in the fan only mode until the coil has had a chance to defrost. At the outside unit you may see the large line is frosted. This is the visual indication for a frozen coil. When you return the A/C to cooling use it with the fan on while in the cooling mode.

Carrier XHB123D... | Answered on Oct 24, 2014 | 1,767 views


There should be a flame sensor mounted on the pilot bracket. This sensor maybe bad or is out of position.

Carrier XHB123D... | Answered on Nov 11, 2013 | 182 views


check fuse inside your furnace

Carrier XHB123D... | Answered on Nov 10, 2013 | 52 views


check if there is 24v to that gas valve. if there is you need a new valve

Carrier XHB123D... | Answered on Nov 10, 2013 | 105 views


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Carrier XHB123D... | Answered on Nov 05, 2013 | 179 views


Your fan motor might be on the way out, and causing the motor's internal overload to trip.Try feeling the fan motor with the palm of your hand after it trips out.If it's hot (without using test instruments), then I'm willing to bet that fan motor is defective. If it has a variable speed ECM motor, it could just be the electronic module on the back end. some manufacturers will allow you to buy the module separately.If it's an ECM, contact me after you get an ohmmeter and I'll walk you through it. I have a simple inexpensive fix

Carrier XHB123D... | Answered on Aug 22, 2013 | 38 views

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