Codes - Trane S8X1 Series Installer's Manual

Integrated Furnace Control Display Codes
IdL
err
L6F
Cr
C0d
0du
C0f
Xod
!sd
gXC
run
Alarm Error Code
e0!
e2.!
e2.2
e2.3
e3.!
e3.2
e3.3
e3.4
e04
e0s
e6.!
e6.2
e6.3
e7.!
e08
e11
e12
18-CE04D1-1B-EN
Menu Options
Idle
Active Alarm Menu
Last 6 Faults (To clear — Hold Option button down for 5 seconds after entering the L6F menu)
Code Release Number
Cooling Off Delay (Seconds)
Outdoor Unit Type (Single / Two Stage)
Blower Constant Fan Airflow
Heat Off Delay (Seconds)
Inter-Stage Delay (Seconds)
Gas Heating CFM (1st and 2nd stage airflow are selectable)
Test Mode
Error Codes
Alarm Explanation
Loss of the IRQ or other internal failures (Internal IFC error)
Retry Exceeded (Flame never sensed, one hour lockout after 3 times)
Recycles Exceeded (Flame sensed then lost, one hour lockout after 10 times)
1st Stage Gas Valve Not Energized When It Should Be exceeded after 10 times
Shorted Pressure Switch, 1st Stage
Open Pressure Switch, 1st Stage
Shorted Pressure Switch, 2nd Stage (S8X2 only)
Open Pressure Switch, 2nd Stage (S8X2 only)
Open Limit (Main Thermal, Rollout Switch, or Reverse Airflow Switch)
Flame detected, should not be present
Voltage reversed polarity
Bad grounding
(1) Igniter relay fails
(2) Igniter open
1st stage gas valve (MVL) is energized when it should be off
Flame current is low, but still strong enough to allow operation
(1) 1st stage gas valve not energized when it should be
(2) 1st stage gas valve relay stuck closed
(3) 2nd stage gas valve relay stuck closed
(4) 2nd stage gas valve energized when it should not be
(5) 2nd stage gas valve not energized when it should be
Open fuse
59