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Have a rheem rprestige furnace honeywell iao with equipment…

Customer Question
have a rheem rprestige furnace...
have a rheem rprestige furnace honeywell iao with equipment interface getting error code 66 67 68 on furnace. fan does not run and a/c does not come
Submitted: 3 years ago.Category: HVAC
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Customer reply replied 3 years ago
unit 7yrs old never had problem filters are clean and runs on manua for error 66 on rheem panel l did not put that info in before sorry
Answered in 1 day by:
6/30/2015
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 3 years ago
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
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hello,
in your history what is the 2 digit codes referring to as the failures?
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