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Uh, If you're a real person, I have error 91 on my trane
uh, hi If you're a real person, I have error 91 on my trane thermostat … read more
airheatman
airheatman
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6 years college
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I have a 14 year old Carrier Infinity system. Over the past
Hi, I have a 14 year old Carrier Infinity system. Over the past couple years my system has shut down a couple times when the zone control tstat says "critical malfunction". Usually after shutting down… read more
BillyHvac
BillyHvac
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I have a lennox M/N CBX 32MV-048-230-6-03 heat pump. I am
I have a lennox M/N CBX 32MV-048-230-6-03 heat pump. I am having to reset the circuit breakers in order to keep the unit cooling. any idea why? … read more
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I have a Rheem RHPLHM2421JC air handler that has stopped
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Charles Anderson
Charles Anderson
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I have a Trane 4TEE3C04A1000AA that has had intermittent
I have a Trane 4TEE3C04A1000AA that has had intermittent error 91 code showing. Earlier this year, it would not go away. I wound up replacing the low-voltage wiring from the thermostat to the air hand… read more
airheatman
airheatman
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I need to ask a HVAC expert a heat pump air handler
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Cliff
Cliff
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My Trane A/C stopped working last night. Thermostat shows
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Michael Ferryman
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Looking for doc 18-hd32d2-1/-2009 for trane error codes.
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Twa252842
Twa252842
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My american standard thermostat ACONT900AC43UAA is showing
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Phil
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I have an American Standard - it's warm here in Dallas - the
I have an American Standard - it's warm here in Dallas - the AC has been working fine - I just passed by the thermostat and the upper right hand corner has a RED loight on - the screen has ERR 126. Wh… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
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Unit will not heat. Fan comes on slow, runs for about 10 seconds
Unit will not heat. Fan comes on slow, runs for about 10 seconds and shut down. Err 10 is flashed on keypad.… read more
airheatman
airheatman
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goodman 2 stage a/c works fine. I installed new hoenywell
goodman 2 stage a/c works fine. I installed new hoenywell rth7400 t-stat and the unit is freezing up. What did I do wrong?… read more
Phil
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I am wiring a Armstrong Air Heat Pump 4SHP16LT with 10kw emergency
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Matthew
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Lightning strike at our house, now an XC15 A/C unit gives error
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Charles
Charles
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Associate Degree
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Hi there. I had a new Trane unit installed about a year ago.
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freon
freon
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My system sounds like it is running, but the thermostat
My system sounds like it is running, but the thermostat (900) says Err 18 and the red light is on at the top right of the thermostat. We don't know what the error message means and can't find anything… read more
Tim H.
Tim H.
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Vocational, Technical or Trade Scho
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i installed my first trane xl20i with a 4tee3c4a1000aa air
i installed my first trane xl20i with a 4tee3c4a1000aa air handler and a comfortlink ii control and the unit wouldnt fire up tstat read err 91 never a clear answer in the err adendum to help explain t… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
Getting error code 91 on acculink thermostat (same as trane
Getting error code 91 on acculink thermostat (same as trane comfortlink II). Heritage 20 compressor and 4TEE air handler. Fault LED is flashing three times and the comm LED is flashing fast. User Inte… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,035 satisfied customers
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