DEFINITION:
This fault is generated when an internal
communica!on error is detected.
NOTE:
This error will populate momentarily
when a replacement IFC is powered and
the model number has not been programmed.
E24 Fault Code
Turn off power to
the furnace for
one minute.
Reapply power
NO
Does E14 error
clear?
YES
Verify opera!on
Replace IFC
E25 Fault Code
Turn off power to
the furnace for
one minute.
Reapply power
NO
Does the E25
error clear?
YES
Replace IFC
DEFINITION:
This fault is generated when an internal
orienta!on sensor is unresponsive.
NOTE:
This error does not affect opera!on of
the furnace.
NOTE:
This orienta!on sensor is used to set the
display correctly at power up and for remote
diagnos!cs.
Verify LED readout
is correct
Use the Menu / Op!on bu#ons
to navigate to ORN and select
the appropriate op!on
The link mobile app can also
be used in the Set-Up wizard
The Combus!on Control Micro on the IFC has
incomplete menu data.
E23 Fault Code
Turn off power to
the furnace for
one minute.
Reapply power
YES
Does the error
clear?
NO
Verify opera!on
DEFINITION:
Replace IFC