Siemens SIMATIC IPC427E - Alarm, Error and System Messages

Technical specifications
8.7 BIOS description
SIMATIC IPC427E
Operating Instructions, 09/2017, A5E37454814-AB
131
8.7.6
Alarm, error and system messages
During startup (the boot process), the BIOS first performs a
P
ower
O
n
S
elf
T
est (POST) and
checks whether certain functional units of the PC are operating error-free. The boot
sequence is immediately interrupted if critical errors occur.
BIOS initializes and tests further functional units if the POST does not return any errors. In
this startup phase, the graphics controller is initialized and any error messages are output to
the screen.
The error messages output by system BIOS are listed below. For information on error
messages output by the operating system or application programs, refer to the
corresponding manuals.
On-screen error messages
On-screen error message
Meaning / tip
Operating system not found Possible causes:
• No operating system installed
• Incorrect active boot partition
• Wrong boot drive settings in SETUP
SMART failure detected on HDD Hard disk reports pending failure through
S.M.A.R.T.
CMOS battery failed
CMOS battery is empty or not connected.
Real-time clock has lost power The CMOS clock was operated without battery
or with a battery that was too weak, during bat-
tery change, for example. Check the CMOS
clock.
Keyboard controller error
or
no keyboard present
Keyboard defective or not connected