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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Installed a non communicating ac unit with an American

Customer Question

Installed a non communicating ac unit with an American Standard Communicating furnace. How do I remove the error code 122 from thermostat?
JA: Just to clarify, do you think this is a larger HVAC problem, or something specific to the thermostat?
Customer: No... Installed a new non communicating ac unit. Have an ACONT900AC43UH American Standard thermostat with AMS Communicating Furnace and need to remove error code. it is searching for communicating ac unit thus the error. How do I turn the communication off in t sta installation programming
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: no
Submitted: 1 year ago.
Category: HVAC
Expert:  Daniel Plourde replied 1 year ago.

hi i am dan i can help you with this. have you tried resetting it by changing paramenter 0710 to 1?