Trane Tracer ZN.520

CNT-SVX04A-EN
Troubleshooting
92
Diagnostics
Table 60 Tracer ZN.520 zone controller diagnostics
Diagnostic
Fan Other Outputs
1
Condensate Overflow
2
Off Valves Closed
Outdoor air damper Closed
Face bypass damper Bypass
DX/electric heat Off
Baseboard heat Off
Low Coil Temperature Detect
2
Off Valves Open
Outdoor air damper Closed
Face bypass damper Bypass
DX/electric heat Off
Baseboard heat Off
Low AirFlow—Fan Failure
2
Off Valves Closed
Outdoor air damper Closed
Face bypass damper Bypass
DX/electric heat Off
Baseboard heat Off
Space Temperature Failure
2,4
Off Valves Closed
Outdoor air damper Closed
Face bypass damper Bypass
DX/electric heat Off
Baseboard heat Off
Entering Water Temp Failure
4
Enabled
Valves Enabled
3
Outdoor air damper Enabled
3
Face bypass damper Enabled
3
DX/electric heat Enabled
3
Baseboard heat Off
Discharge Air Temp Limit
2
Off Valves Open
Outdoor air damper Closed
Face bypass damper Bypass
DX/electric heat Off
Baseboard heat Off
Discharge Air Temp Failure
2,4
Off Valves Closed
Outdoor air damper Closed
Face bypass damper Bypass
DX/electric heat Off
Baseboard heat Off
Outdoor Air Temp Failure
4
Enabled Valves Enabled
Outdoor air damper Minimum position
5
Face bypass damper Enabled
DX/electric heat Enabled
Baseboard heat Enabled
Humidity Input Failure
4
Enabled Valves Enabled
Outdoor air damper Enabled
Face bypass damper Enabled
DX/electric heat Enabled
Baseboard heat Enabled
CO
2
Sensor Failure
4
Enabled Valves Enabled
Outdoor air damper Enabled
Face bypass damper Enabled
DX/electric heat Enabled
Baseboard heat Enabled
Diagnostic
Fan Other Outputs
1