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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