Troubleshooting - Trane S8B1A026M2PSC Manual

Troubleshooting

The following pages include troubleshoo ng flowcharts in reference for
the 1 Stage S8B1, S8X1 and 2 Stage S8X2 families of furnaces only.
The informa on contained is for reference only and does not cover all
scenarios or problems that may be encountered.
ONLY qualified technicians should a empt to install, troubleshoot, or
repair this appliance.
Failure to follow all cau ons and /or warnings could result in personal or
property damage, including death.
IFC Component Layout
Status Codes
Menu Op ons
Error Codes
E01 – Internal failure
E2.1 – Retries Exceeded (flame never sensed)
E2.2 – Recycles Exceeded (loss of flame a er being sensed)
E2.3 – 1
E3.1 – Shorted Pressure Switch, 1
E3.2 – Open Pressure Switch, 1
E3.3 – Shorted Pressure Switch, 2
E3.4 – Open Pressure Switch, 2
E04 – Open Thermal Limit
E05 – Flame Detected , should not be present
E6.1 – Reversed Polarity (High Voltage)
E6.2 – Faulty Ground
E6.3 – Igniter Circuit
E07 – 1
E08 – Flame Current Low, opera on allowed
E11 – See troubleshoo ng Instruc ons
E12 – Open fuse
58
Troubleshoo ng Flowchart Index
st
Stage Gas Valve energized when it should not be (10 mes)
st
Stage Gas Valve (MVL) energized when it should not be
st
Stage
st
Stage
nd
Stage
nd
Stage
S8XB-SVX001-1A-EN