York YK-ZCU2x0-0, YK-ZCU4x0-0, YKSMU2x0-0 - page 70

System Manager/Zone Coordinator User’s Manual70
428516-YUM-B-0908
Viewing Device Diagnostics
To view device diagnostics:
1. From the Home screen, press the Setup icon. The System Manager Setup or
Coordinator Setup and Status screen appears.
2. If you are at a System Manager, press the Systems button, then select the
coordinator or CV RTU whose diagnostics you want to view. The appropriate
setup and status screen appears. On this screen, select the System button.
If you are at a Coordinator, press the System button. The System Setup and
Status screen appears.
3. Press the Status button, then the Display Diag button. The Diagnostic screen
for the device appears.
4. To scroll down to the second page, use the Down arrow. To return to the
previous screen, press the Back button.
Figure 49: Device Diagnostic Screen Example - CV RTU1
CV RTU1 - Diagnostic
Model Number:
Serial Number:
FIG:DevDiag
DM180N24B2AAA1 D
N0C6108950
Fan Request:
Cooling Stages:
Cooling Stages 1:
Cooling Stages 2:
On
2
Off
Off
Heatling Stages:
Heating Stages 1:
Heating Stages 2:
2
Off
Off