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88-A952V001-1B-EN
Run Test Mode
–
Run Test Mode:
To enter Run Test Mode, scroll to
using the Menu key, then push the op!on key. The LED will flash
three
!mes, then begin the test.
To exit the test mode, momentarily push the Menu key, cycle power to the furnace, or make a valid thermostat
call for capacity or fan.
Sequence of Run Test Mode
-Turns the inducer on in 1
st
stage for 30 seconds
– Turns on the inducer on 2
nd
stage for 30 seconds
– Turns the ignitor on for 10 seconds
– Turns the circula!ng blower on 1st stage compressor speed for 10 seconds
– Turns the circula!ng blower on 2nd stage compressor speed for 10 seconds
– Turns the circula!ng blower on 1
st
stage gas heat speed for 10 seconds
– Turns on the circula!ng blower on 2
nd
stage gas heat speed for 10 seconds
The above sequence will repeat two more !mes unless the Run Test Mode is exited, see above
Important:
The Run Test Mode does not test fire the furnace or bring the outdoor unit on. It is designed to allow
the technician to observe each mode to ensure the IFC, inducer, and circula!ng blower are performing as
intended.
Note: During run test mode, depressing the option key will allow the user to hold (HLD) that test
sequence if measurements want to be taken. The exception is RU3 (ignitor).
