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5.2.6. SIGN OPERATING FREQUENCY ERROR MESSAGE
FLASHING ''C'' ON LCD
INDICATES THAT THE SIGN PRESENT ON THE NETWORK DOES NOT SUPPORT THE
OPERATING FREQUENCY CONFIGURED IN THE CONTROL CONSOLE
CHECK PASSES FAILS/CORRECTIVE ACTION
STEP 1
Go to Menu 13 to find out which sign
has a frequency problem (See Section
4.1.1.9)
GO TO STEP
2
STEP 2
Reset signs operating frequency to
29.4912 MHz. Reconfigure sign
network (See Section 4.1.1.9 Menu
14)
5.2.7. PTU ERROR MESSAGES
''SYSTEM NOT PRESENT'' ON LCD
INDICATES THAT PTU DATABASE IS INCOMPATIBLE WITH SYSTEM INSTALLED ON
VEHICLE
CHECK
PASSES FAILS/CORRECTIVE ACTION
STEP 1
If Control Console configuration
matches that of Section 4.1.1.2
GO TO STEP
2
Reconfigure Control Console
STEP 2
PTU content
GO TO STEP
3
Download desired database into PTU
STEP 3
Control Console Replace Control Console
FLASHING ''PTU COMMUNICATIONS INTERRUPTED'' ON LCD
INDICATES A DEFECTIVE CONNECTION BETWEEN PTU AND CONSOLE
CHECK PASSES FAILS/CORRECTIVE ACTION
STEP 1
Cable and connectors between PTU
and Control Console
GO TO STEP
2
Replace faulty cable or connector(s)
STEP 2
PTU GO TO STEP
3
Replace PTU
STEP 3
Control Console Replace Control Console
User Manual (Revision A) Document No.: 3042145 Page 53
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