Bosch DCU 220 Instandsetzungsanleitung Seite 27

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6. Checking DCU 220
6.1 Configuring operation
Operation of the DCU 220 can also be configured
by the end customer. The functions of the programs
cited below are described in the operating manual
DCU 220 (1 689 989 321) and in the User Handbook
(1 689 989 330):
R
Power options
R
Calibrating touchscreen
R
Windows update
R
Troubleshooting
R
Switching functions on and off (e.g. WLAN)
6.2 Checking hardware faults or software faults
i
There are various procedures, depending on the type of fault. Consult the following table for the recommended
procedures.
Fault description Possible cause
R No voltage supply
DCU 220 cannot be
R Power supply unit defective
switched on
R Battery defective
R Bluetooth USB stick inserted
Black/blue screen
R Windows damaged
or system cannot be
R Display defective
booted or show no
R Mainboard defective
display
R Hard disk not plugged in properly,
DCU 220 remains in
hard disk defective
its boot menu
R Hard disk missing
Low performance R Installed virus scanner slows the
system right down
R Installation of third-party software
R Defective operating system or de-
fective driver
No WLAN R WLAN is switched off
R Defective or wrongly configured
WLAN module DCU 220
R Defective incorrectly configu-
red WLAN module on the opposi-
te side
R WLAN computer incorrectly confi-
gured or defective
No Bluetooth R Bluetooth is switched off
R Defective or incorrectly configu-
red Bluetooth module DCU 220
R Defective or incorrectly configu-
red Bluetooth module on the op-
posite side
R Speaker set to quiet or OFF
No audio signal.
R Speaker defective
Tab. 1: Checking hardware faults or software faults
|
1 689 975 287 2017-07-06
Recommended procedure
1. Check if voltage, power supply unit and storage
battery are OK (see LED status).
2. Install a loaded and tested hard disk.
1. Remove Bluetooth USB stick.
2. Install a loaded and tested hard disk.
3. Install hard disk of defective DCU 220 into tested
DCU 220.
4. If there is a software fault (step 2 not successful),
then perform Recovery.
1. Check the installation of the hard disk.
2. Install a loaded and tested hard disk.
1. Uninstall third-party software.
2. Restore operating system
(Recovery process)
1. Enable WLAN (switch off the flight mode).
2. Check and reset the WLAN signal and router.
3. Check and reset the WLAN module DCU 220.
1. Enable Bluetooth (switch off flight mode).
2. Check and reset the Bluetooth signal and router.
3. Check and reset the Bluetooth module DCU 220
and router.
4. Install SP1 (only with system version 1.4,
DVD is in scope of delivery)
1. Switch on speaker.
2. Connect up external speaker.
Troubleshoo-
ting chapter
5.3
5.3
Robert Bosch GmbH