
7
Service Manual
Third edition, June 1997
9 Fault Finding on the Saab TankRadar System ............................. 88
Abbreviations used in the fault finding chart: .......................................... 88
9.1 SysFail and Warning Messages Shown on the Work Station ........... 88
9.1.1 SysFail message: Level Unit SysFail. ....................................... 88
9.1.2 SysFail message: Level Unit Communication Failed. ........... 88
9.1.3 SysFail message: Level Unit Power Failure. ........................... 89
9.1.4 SysFail message: Level Unit LI Communication Failed. ...... 89
9.1.5 SysFail message: I/O Box Communication Failed. ............... 89
9.1.6 Warning message: Level Unit Ground Failure....................... 89
9.1.7 Warning message: Level Unit Memory Failure. .................... 90
9.1.8 Warning message: Level Unit Restarted. ................................ 90
9.1.9 Warning message: Master Communication Failed................ 90
9.1.10 Warning message: LevelDatic Communication Failed. ........ 90
9.1.11 Warning message: SIOX Communication Failed................... 91
9.1.12 Warning message: PRS Communication Failed. .................... 91
9.2 Other Messages Shown on the Work Station .................................... 91
9.2.1 Message: PROCESS DATABASE NOT RUNNING - Alarm
handling is off and pictures are not updated. Please wait
until system restart. .................................................................... 91
9.2.2 Message: NO CONTACT WITH MASTER WORKSTATION -
Network Error or Master Work Station not running. Please
wait until connection established............................................. 91
9.3 Channels with status CFAIL, ERROR or INVAL................................ 92
9.3.1 CFAIL status on one Transmitter.............................................. 92
9.3.2 CFAIL status on five Transmitters............................................ 92
9.3.3 ERROR status on one Transmitter, but not CFAIL status ..... 92
9.3.4 Warning “Clean antenna on tank XXX”.................................. 93
9.3.5 All warnings associated with one tank shown on Work Sta-
tion ................................................................................................ 93
9.3.6 ERROR status on one temperature sensor.............................. 93
9.3.7 INVAL status on average temperature.................................... 93
9.3.8 ERROR status on one IG pressure sensor ............................... 93
9.4 Work Station......................................................................................... 93
9.4.1 Work Station screen blank. ........................................................ 93
9.4.2 Work Station monitor image located incorrectly, distorted or
discolored. ................................................................................... 94
9.4.3 No new windows can be opened on the Work Station or
Work Station cannot be started................................................. 94
9.4.4 Light Pen is not functioning...................................................... 94
9.5 Level Unit .............................................................................................. 94
9.5.1 Backup Display is blank. ........................................................... 94
9.5.2 No response when pressing the keys on the Backup Display’s
keyboard. ..................................................................................... 94
9.5.3 Watch Dog LED on LCI board is on (the lowest LED).......... 94
9.5.4 Backup Display shows “No flash program” .......................... 94
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