Trane S8X2C080M5PSC - 11 Fault Code Troubleshooting; 12 Fault Code Troubleshooting

S8XB-SVX001-1B-EN
73
DEFINITION: External Gas Valve
Circuit Error (24 volts is present
when it should not be present)
Is 24 VAC nominal voltage present
between Red lead at gas valve
connec!on to chassis ground?
Turn Comfort
Control to “OFF”
posi!on
Correct wiring
Check opera!on
YES
Replace IFC
NO
7.1 Fault Code
TTrroouubblleesshhoooottiinngg