A951X Fault Codes / Status Codes

Ameristar Gas Furnace: A951X

Re: Fault Codes / Status Codes

The furnace control comes standard with a 7-segment diagnostic display. 


MENU OPTIONS
Code Description
IdL Idle
Err Active Error Alarms
L6F Last 6 Faults
Cr Code Release Number
COd Cooling Off Delay (Seconds)
OdU Outdoor Unit Type
COF Blower Constant Fan Airflow
HOd Heat Off Delay (Seconds)
gHC Gas Heat CFM
rUn Run Test Mode
ERROR CODES
Code Description
E01 Loss of IRQ or other internal failures (Internal IFC error)
E2_1 Flame Never Sensed (1 Hour Lockout after 6 tries)
E2_2 Flames Sensed and Later Lost (1 Hour Lockout after 10 tries)
E2_3 Gas Valve Not Energized when it should be (after 10 times)
E3_1 Pressure Switch Closed when it should be Open
E3_2 Pressure Switch Open when it should be Closed
E04 Open Limit Circuit
E05 Flame Present with Gas Valve Off
E6_1 Reversed Polarity
E6_2 Bad Grounding
E6_3 igniter Failure
E7_1 Gas Valve Energized when it should be Off
E08 Low Flame Signal
E09 Open Inducer Limit or Condensate Pressure Switch
E11 Gas Valve Not Energized when it should be
E12 Open Fuse

Fault Code Recovery

To view the Last 6 Faults:

Clearing the Last 6 Faults

To clear the Last 6 Faults:

Restoring Factory Defaults



Article ID: 715
Last updated: 29 Mar, 2023
Revision: 3
Equipment -> Gas Furnaces -> Ameristar -> A951X -> A951X Fault Codes / Status Codes
https://ghac.makekb.com/entry/715/