Technical data

Error Diagnostics
A-2
SIMATIC Panel PC 670 Computing Unit Equipment Manual
Edition 12/01
A.1 Diagnosing Errors
The table shows when the messages and errors occur and how you perform
troubleshooting.
Error Cause Remedy
Power ON LED does not light Power supply connection is not
correct
Check the power supply connec-
tion, mains cable, and mains plug
The display/monitor shows the
following message:
Invalid configuration in-
formation... Press the F1
key for continue, F2 to
run Setup utility
Erroneous configuration data
Backup battery defective or
empty
Press F2, check the configuration
data in SETUP, enter default va-
lues if required, check error mes-
sages in the first SETUP dialog
box
The display/monitor shows the
following message:
No boot device available
No bootable disk in drive
Wrong hard disk type entered in
SETUP
Use Fixed Disk function in
SETUP
The display/monitor shows the
following message:
Keyboard stuck key fai-
lure
A key stuck during the system
self-test of the keyboard.
Check the keyboard
Reboot the system
Startup of the computing unit is
aborted following several whist-
ling noises
An error occurred during the sy-
stem self-test
Check the hardware (refer to sec-
tion 2.1).
Whistling is heard every time a
key is pressed but characters are
not displayed
The keyboard buffer has overflo-
wed
<CTRL> <PAUSE>
Not Ready error when attempting
to read from floppy disk
No disk inserted
Disk is not formatted.
Insert disk
Format disk
Write Protection error when at-
tempting to write to disk
The disk is write-protected
The guide slot is open with the
3.5’’ format
Disable write protection
Ports COM1, COM2, LPT1 or
MPI/DP cannot be addressed
Ports are set to Disabledin SE-
TUP.
Set ports COM1,COM2, LPT1 or
MPI/DP in SETUP to Enabled in
the Hardware Options dialog
box.
<\> Key is not displayed Wrong keyboard driver being
used
Load the proper keyboard driver
<ALT> <9> <2>
Mouse does not work The ball in the mouse does not
move freely
No or wrong mouse driver
Clean the ball and the housing of
the mouse
Load the proper mouse driver
The mouse pointer cannot be
moved
The PS/2 port is set to Disabled
in Setup
Check the entry in Setup
The mouse pointer does not
move smoothly
The ball in the mouse is dirty Clean the ball and the housing of
the mouse
The drive cover cannot be ope-
ned
The bezel does not fit properly Press the bezel in properly