Questions & Answers for: American Standard error 91

...91 Error codes from American Standard Pub 18-HD32D2-8, which is a one-sheet document that came with my American Standard air-conditioner: 29 = not listed 129 = not listed 80 = HPCO Fault - problem is ...

american standard error code 158 thermostat error codes for an american standard ... - AllExperts en.allexperts.com > ... > Heating, Air Conditioning, Fridge, HVAC Aug 22, 2010 - programmable ...

...error 91 Had error code 91 on Trane XL19i thermostat. Heat season on duel fuel system. Repair tech said board is bad ($963) and transducer ($1000). Unit is 3 ton 12 years old. Does it make sense to ...

I have error code 114 on my American standard a/c. What does that mean? 114 is a communication error in the air handler. It can be the afc board, the blower motor or both. Cycle power to the AHU by ...

American standard thermostat error code 123? What can I do? 123 I believe is a configuration error. touch the error on the screen and see what it details. let us know.

American standard thermostat error code ,1 AFC EH CFGI ERR? HELP? THANKS what model number.

error code 79 on american standard air/heat unit thermostat low pressure error

...second cycle, any known reason? check voltage to unit if ok check ignitor check pressure switch 80 error: High Presure Monitor Fault ...

what does error code 79 mean american standard code 79 what does this mean low pressure cut out. refrigerant leak

Awakened to find my American standard unit was displaying an error code of 79, wt to do low pressure fault, you need service