1-18
SIMATIC PC RI25/45, Technical Description
C79000-G7076-C808-01
1.4
Error Diagnostics
Table 1-1
Errors/faults in IPC operation
Error/Fault
Cause
Remedy
Power-ON LED does not light up
PC is switched off
Power supply is not properly
connected
Switch on the PC
Check the power supply
connections, power cable, and
power plug
The message “Invalid configuration
information... Press the F1 key for
continue, F2 to run SETUP utility”
appears on the screen
Incorrect configuration data
Backup battery is low or
defective
Press the “F2” key, check the
configuration data in SETUP,
enter any default values, and
check error messages in the first
SETUP menu.
The “No boot device available”
appears on the screen
Diskette in drive A: is not a boot
diskette
Wrong hard disk type entered in
SETUP
Use the “Fixed disk function” in
SETUP
“Keyboard stuck; key failure”
message
A key has become blocked
during the system keyboard
self-test
Check the keyboard
Restart the system
Booting of the PC aborted after
several beeps
An error has occured during the
system self-test
Check the hardware
Every time a key is pressed, a beep is
heard and no characters appear
Keyboard buffer overflow
<CTRL> <PAUSE>
Not-ready message when trying to
write to a diskette
No diskette has been inserted
Diskette has not been formatted
Insert diskette
Format diskette
Write-protect error when trying to
write to a diskette
Diskette write-protect activated
Write-protect hole open on 3.5”
diskette
Cancel write protection
“EPROM TSR interface disabled,
check Power Management” message
“Programming Interface” has
been disabled in SETUP
Enable “Programming
Interface” in SETUP under
submenu “RI Hardware options”
COM 1, COM 2, LPT 1 or MPI do
not respond
Ports have been disabled in
SETUP
Enable COM 1, COM 2, LPT 1
or MPI in SETUP under
submenu “RI Hardware
Options”
< / > key labeling missing
No original keyboard
German keyboard: <ALTGR>
<ß> or <ALT> <9> <2>
International keyboard:
<ALT> <9> <2>
< / > key is not displayed
Wrong keyboard driver is being
used
Load correct keyboard driver
<ALT> <9> <2>
Mouse not working
Trackball will not rotate
No or wrong mouse driver is
being used
Clean trackball and housing
Load the right mouse driver
Mouse pointer cannot be moved
PS/2 port has been disabled in
SETUP
Check SETUP settings
Mouse pointer moving erratically
Trackball dirty
Clean trackball and housing
Drive cover cannot be opened
Filter cap not properly fixed
Push filter cap into correct
position
System Unit
