Performing maintenance
8.16 Checking The Controller
8.16.1 Check Date and Time
Note: The unit is ready for use prior to setting the date and time
Check date and time
Test criteria
• Date and time are current.
If no,
Set date and time.
8.16.2 Are There Any Current Error Messages?
Note The unit is ready for use prior to reviewing for error messages
Current error messages
Test criteria
•
No error messages were displayed.
If No,
• Was the error fixed?
38
1. Plug the unit into an electrical source.
2. Power on the device.
3. Set the date and time.
4. Switch the unit off and then back on.
5. Check date and time.
If necessary: Replace buffer battery.
1. Plug the unit into an electrical source.
2.
Power on the device.
3.
No error message appears in the display:
a.
Device is ready to be put into service.
4.
An error message appears in the display:
a.
Perform troubleshooting according to service instructions.
Fix error.
5.
Power off the unit.
Maintenance instructions
Remarks / values
Remarks / values
Yes
No
Yes
No