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VF BOILER SERVICE MANUAL
AOS WPC - Tech Training 10 of 72 Ashland City, TN © 2007
Servicing should only be performed by a Qualified Service Agent
UIM - USER INTERFACE MODULE - MENUS
Log & System Info Screen:
This screen displays the following:
• Elapsed hours of operation (Total time system has been powered up).
• Number of running minutes (Number of minutes system has been in the run mode).
• Number of heating cycles.
• kBtu rating of the boiler.
• Software revision of the CCB (MCB), FCB, and Config Key (see explanation on page 25).
There are no adjustable user inputs available from this screen.
Current Error Screen:
Displays the current error the system has detected, plus a timestamp of when the error
occurred. (The timestamp is based on the elapsed hours value at the time the error
occurred. It is displayed in hours and minutes). This error remains displayed as long as it is
still valid. When cleared it is moved to the Error History Screen. The system will
automatically jump to this screen when an error is detected. It will also go to this screen
upon power-up if an error was still valid when power was turned off.
Errors are cleared (control system is reset) from this screen by touching the Select button.
There are no adjustable user inputs available from this screen.
Error History Screen:
This screen displays a list of the last 9 errors (with timestamps) that have occurred. The last
error to occur is displayed first. The actual date and time of the event can be calculated by
subtracting the error time stamp from the elapsed hours of operation in the Log & System
Info Screen. This can be helpful when determining if the error is related to environmental or
load conditions.
There are no adjustable user inputs available from this screen.
Reload Defaults Screen:
From this screen the user can restore the factory default values for screen adjustable
configurations by touching the Select button. See page 70 for default values.