Trane Tracer ZN.520

UV-SVP01A-EN 53
Troubleshooting
Humidity Input Failure
4
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/electric heat—ENABLED
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
CO
2
Sensor Failure
4
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/electric heat—ENABLED
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
Generic AIP Failure
4
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/electric heat—ENABLED
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
Defrosting - Cmpr Lockout
4
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/electric heat—OFF
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
Maintenance Required
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/electric heat—ENABLED
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
Local Fan Mode Failure
4
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/Electric Heat—ENABLED
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
Local Setpoint Failure
4
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/electric heat—ENABLED
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
Generic Temperature
Failure
Fan—
ENABLED
Valves—ENABLED
Outdoor air damper—ENABLED
Face bypass damper—ENABLED
DX/electric heat—ENABLED
Baseboard heat—ENABLED
Non-latching Communicated or manual reset
Table 28: Tracer™ ZN.520 Unit Controller diagnostics
Diagnostic Unit Response
Latching/non-
latching
Reset