Operating Unit Display Remains Dark; System Time And/Or Date Of The Pc Incorrect - Siemens SIMATIC Panel PC 870 Equipment Manual

Release 11/02
6.2

Operating Unit Display Remains Dark

Cause/remedy
The following causes are possible:
Interconnecting cable not connected correctly
S Check the connections.
Incorrect BIOS settings
S Check the BIOS settings.
Decentralized design: DIP switch setting of the host module is not correct
S The necessary DIP switch settings for a decentralized 12" or 15" display are
indicated on the inner side of the housing of the host module.
Note
For further information, please refer to the Start-up Guide.
6.3

System Time and/or Date of the PC Incorrect

Remedy
Use the Setup menu to set system time and/or date (see Chapter 5).
While the computer is booting, press to call the setup.
Note
If time and date are repeatedly incorrect when the system after power off / power
on, the battery is empty. Replace the battery as described in Section 4.3.
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
Fault Diagnosis
6-3