TANDEM & COVER GP 1901688 - Caterpillar

Table 2
GPS Warning Messages    
GPS Status Message    Problem    Possible Cause    Solution    
"No GPS Receiver Data"     There has been no GPS data coming from one or both GPS receivers for at least 1.5 seconds.     A problem with a GPS receiver     Check the cable, power, and connections. Check the physical condition of the GPS receivers.
Turn off the Display and then turn the Display back on.
If problems continue, contact your supervisor.    
A cabling fault, or a problem with a GPS receiver configuration.
"No GPS Data (Right)"     Positions are being generated for the left GPS receiver but not for the right.     This could be caused by a cabling fault, or a problem with the GPS receiver configuration.     Check the cable, power, and connections for the right receiver.
If problems continue, contact your supervisor.    
"Low Accuracy (Move)"     The machine has not travelled far enough in its current direction to determine machine pitch and heading.            
"Low Accuracy (GPS)"     The GPS error estimate has exceeded the limit set by the GPS Accuracy Mode.     Inadequate GPS coverage in work area     Change your GPS Accuracy Mode.
Check the data radio and radio cable.
Consult your supervisor to adjust the accuracy limits.
Check Sky Plot to verify adequate satellites are being used and their relative position.    
"V.Low Accuracy (GPS)"     The AccuGrade System is receiving autonomous GPS positions from one or both GPS receivers.     Inadequate GPS coverage in work area.     Check the data radio and base station.
Check Sky Plot to verify adequate satellites are being used and their relative position.    
"Old Position"     A position is not being generated by one, or both, GPS receivers         Check the GPS receivers and cables.    
"Invalid GPS Configuration"     There is a problem with a GPS receiver output configuration. The coordinate system may be missing from a GPS receiver configuration.         Load a design. Doing so will send a valid GPS configuration file to the GPS receivers. Alternately, see your supervisor.    
There is a GPS data but the data is in the wrong format, or the baud rate is incorrect. Table 3 lists other device warning messages.
Table 3
Other Device Warning Messages    
Message    Problem    Solution    
"Check Left EM"     The system cannot communicate with the left electric mast.     Check cables. Check the status of the mast in the Diagnostics dialog. Check if you can raise or lower the mast from the ATS dialog.    
"Check Right EM"     The system cannot communicate with the right electric mast.     Check cables. Check the status of the mast in the Diagnostics dialog. Check if you can raise or lower the mast from the ATS dialog.    Table 4 lists messages that relate to general operation of the AccuGrade System.
Table 4
General Warning Messages    
Flashing Message    Reason    Solution    
"Avoid Zone Entered"     You have entered an Avoidance Zone. This is