Service manual

MDS E-SCAN MONITOR INFORMATION
61
7.5.2 Warning Alarm Conditions
Alarm Condition
8 System Warning.
* Check lamp voltage, indicates lamp voltage in either sensing head is about
4.0Vdc. See maintenance section 8.5.
* Check purge log, indicates successful purge after second or 3 attempt. Purge
log contains duration of steam time needed.
* Check analog solids, indicates direct voltage derived solids does not agree with
RS-232 solids readings.
* Check analog temperature, indicates direct voltage derived temperature does
not agree with RS-232 temperature readings.
* Check U1-U2 Com2, indicates E-Scan units are no longer able to communicate
via serial port 2, thus all communications are going thru the Monitor unit.
* Printer error/out of paper, indicates a problem with the printer.
9 Trend warning, indicates that a divert is predicted to occur within the operator
defined trend limit time frame.