Gas Heat; Diagnostics And Alarm Indicator Status - Trane Symbio 700 Controller Application Manual

Appendix A

Gas Heat

Table 23. Gas heat staging
Unit Operation
Gas Heat Stage 1
Gas Heat Stage 2

Diagnostics and Alarm Indicator Status

Table 24. Supported diagnostics and alarm relay functionality
54
Diagnostic/Alarm
Diagnostic: Unit Communications Failure
On-Board I/O Communication Status
Customer Options Module Communication Status
Indoor Options Module Communication Status
Heat Options Module Communication Status
Stepper Motor Module Communication Status
Diagnostic: Excessive Outdoor Air
Diagnostic: Outdoor Air Damper Not Modulating
Diagnostic: Unit Economizing When It Should Be
Diagnostic: Unit Not Economizing When It Should
Diagnostic: Gas Heat Supply Airflow Limit Trip
Diagnostic: Heat Failure
Diagnostic: IGN1 Module Lockout
Diagnostic: IGN1 Heating High Temp Limit Open
Diagnostic: IGN1 Flame Rollout Switch Open
Diagnostic: IGN1 Inducer Proving Switch Fail Closed
Diagnostic: IGN1 Inducer Proving Switch Fail Open
Diagnostic: IGN1 No Flame Sensed on Ignition
Diagnostic: IGN1 Flame Sensed w/Gas Valve Off
Diagnostic: IGN1 Hardware Configuration Error
Diagnostic: IGN1 Weak Flame
Diagnostic: IGN1 Gas Valve Error
Diagnostic: IGN1 Module Failure
Diagnostic: Circuit 1 LPC Lockout
Diagnostic: Circuit 2 LPC Lockout
Diagnostic: Compressor 1 Proving Lockout
Diagnostic: Compressor 2 Proving Lockout
Diagnostic: Compressor 1 Contactor Failure
Diagnostic: Compressor 2 Contactor Failure
Diagnostic: Circuit 1 LPC Trip
Unit Response
Gas Valve Stage 1 ON
Gas Valve Stage 2 ON
Alarm Indicator
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
N
N
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Y
Y
N
ACC-APG002A-EN