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Error Diagnostics
Table 7-1
Errors/Faults in PG 720 Operation
Power- LED does not light up
Display remains dark after
power up
External monitor remains dark
Message on the display:
"Invalid configuration
information... Press the F1 key
for continue, F2 to run Setup
utility"
Message on the display: "No
boot device available" NTDLR
not found, check boot data
carrier
Message: "Keyboard stuck key
failure"
Booting of the PG 720 aborted
with a series of beeps
Every time a key is pressed, a
beep is heard and no character
appears
Not ready message when
attempting to read a diskette
Read-only error when
attempting to write to a
diskette
<\> key does not exist
Mouse pointer cannot be
moved with the trackball
Mouse pointer moving
erratically
7-2
PG 720 is switched off
Power supply not properly
connected
Battery run down
Back lighting is not active
LCD enabled is entered in
SETUP
Incorrect configuration data
Diskette in drive A: is not a
boot diskette
Wrong hard disk type entered
in SETUP
A key became blocked during
the self-test of the keyboard
Error occurred during the
self-test
Battery charge too low
Keyboard buffer overflow
No diskette inserted
Diskette is not formatted
Diskette is read-only
Read-only hole open on 3.5''
diskette
Wrong keyboard driver is
being used
The ball is not rotating
No or wrong mouse driver
Trackball dirty
Switch the unit on
Check the power supply,
power cable, and power
connector
Charge or replace battery
Wait 3 to 5 seconds until the
back lighting is active
Enter CRT enabled or
SIMULTAN in SETUP
Press "F2" key, check the
configuration data in the
SETUP program, if necessary
adapt the default values, and
check the error messages in
the first SETUP menu
Replace diskette with boot
diskette
Use the "Autotype Fixed Disk"
function
Check the keyboard
Restart the system
Check hardware
Charge battery, or connect to
mains power
<CTRL> <PAUSE>
Insert diskette
Format diskette
Cancel the write protection
German keyboard:
<ALTGr> <ß>
International keyboard
: <\> key
Clean the trackball and its
housing
Load the correct mouse driver
Clean the trackball and its
housing
PG 720 PII Programming Device
C79000-G7076-C756-02
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