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airheatman
airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8039
Experience:  Furnace, A/C and heat pump specialist.
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I HAVE A TRANE A/C. AND A THERMOSTAT COMFORTLINK II - ..I

Customer Question

I HAVE A TRANE A/C. AND A THERMOSTAT COMFORTLINK II - ..I IHAVE A SIGN IN THE ESCREEN THAT REED " ERROR 126" .....WHAT YOU RECOMEND US TO DO.......
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: I SUPOSE IT IS A THERMOSTAD PROBLEM ONLY MY NAME IS***** AM IN MIAMI/FL....
JA: Do you plan on doing the work yourself?
Customer: YES, IF IT IS POSSIBLE....
JA: Anything else we should know to help you best?
Customer: YES I AM READY TO FOLLOW YOUR ADVICE
Submitted: 3 months ago.
Category: HVAC
Expert:  airheatman replied 3 months ago.

The 126 indicates equipment does not match value setup at installation. If no equipment has been changed you can try turning power off and back on to units to reset. If that does not help you will need to call your contractor to correct this.