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Error Diagnosis
7.1

Diagnosing Errors

Error
Power–ON LED is not lit
The message:
"Invalid configuration
information... Press the F1 key
to continue, F2 to run Setup
utility"
appears on the display/monitor
The message: "No boot device
available"
appears on the display/monitor
Message: "Keyboard stuck key
failure"
The power–up of the PC is
terminated after several beeps
Every time a key is pressed, a
beep sounds without
characters being displayed
Not ready error when
attempting to read from floppy
disk
Write protection error occurs
when attempting to write to
floppy disk
No response from ports
COM1,COM2, LPT1 or MPI/DP
<\> key is not displayed
Mouse does not function
Mouse cursor cannot be
moved
Mouse cursor moves jerkily
Drive cover cannot be opened
7-2
Cause
S
Connection to power supply
is faulty
S
Incorrect configuration data
S
Back-up battery defective or
dead
S
No bootable disk in the drive
S
Wrong hard disk type entered
in Setup
S
A blocked key was found
during the system self-test of
the keyboard
S
An error occurred during the
system self-test
S
Keyboard buffer overflow
S
No floppy disk inserted
S
Floppy disk is not formatted
S
Floppy disk is write protected
S
The gate is open with 3.5''
format
S
Ports are set to "Disabled"in
the Setup program.
S
Incorrect keyboard driver
being used
S
Mouse ball is not rotating
S
No/wrong mouse driver
S
The PS/2 port is set to
"disabled" in setup
S
Mouse ball is dirty
S
Filter cover is not located
correctly
Remedy
S
Check the connection to the
power supply, mains cable,
mains plug
S
Press the "F2" key, check the
configuration data in the
Setup program, enter default
values if necessary, check
error messages in the first
Setup mask
S
Use the "Fixed Disk Function"
in the Setup program
S
Check keyboard
S
Restart system
S
Check hardware
(see also Section 2.1).
S
<CTRL> <PAUSE>
S
Insert floppy disk
S
Format floppy disk
S
Remove write protection
S
Set the ports COM1,COM2,
LPT1 or MPI/DP to "Enabled"
in the submenu "Hardware
Options" in the Setup pro-
gram.
S
Load correct keyboard driver
S
<ALT> <9> <2>
S
Clean mouse ball and
housing
S
Load correct mouse driver
S
Check setup entry
S
Clean mouse ball and
housing
S
Press filter cover on firmly
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04

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