Bosch DCU 220 - Battery Low Signals and Actions

1 689 975 264 2015-06-02| Robert Bosch GmbH
| DCU 220 | 27 en
6. DCU 220 Testing
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221) and in the User Handbook
(1689989235):
R Power options
R Calibrating touch screen
R Windows update
R Information in the case of any faults
R Switching functions on and off (e.g. WLAN)
6.2 Testing 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 Recommended procedure
Troubleshoot
-
ing chapter
DCU 220 cannot be
switched on
R No power supply
R Power supply unit defective
R Battery defective
1. Check if voltage, power supply unit and storage
battery are OK (see LED status).
2. Install a loaded and tested hard disk.
Black/blue screen
or system cannot be
booted or show no
display
R Bluetooth USB stick inserted
R Windows damaged
R Display defective
R Mainboard defective
1. Remove Bluetooth USB stick.
2. Install a loaded and tested hard disk.
3. Install hard disk of defective DCU 220 into test
-
ed DCU 220.
4. If there is a software fault (step 2 not successful),
then perform Recovery.
6.2.1
6.2.2
DCU 220 remains in
its boot menu
R Hard disk not plugged in properly,
hard disk defective
R Hard disk missing
1. Check installation of hard disk
2. Install a loaded and tested hard disk.
6.2.1
6.2.2
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
1. Uninstall third-party software.
2. Restore operating system
(Recovery process)
No WLAN R WLAN is switched off
R Defective or wrongly configured
WLAN module DCU 220
R Defective incorrectly configured
WLAN module on the opposite
side
R WLAN computer incorrectly con
-
figured or defective
1. Enable WLAN (switch off the flight mode).
2. Test and reset WLAN signal and router.
3. Test and reset WLAN module DCU 220.
No Bluetooth R Bluetooth is switched off
R Defective or incorrectly config
-
ured Bluetooth module DCU 220
R Defective or incorrectly config
-
ured Bluetooth module on the op-
posite side
1. Enable Bluetooth (switch off flight mode).
2. Test and reset Bluetooth signal and Bluetooth
router.
3. Test and reset Bluetooth module DCU 220.
4. Install SP1 (only with system version 1.4,
DVD is in scope of delivery)
No audio signal. R Speaker set to quiet or OFF
R Speaker defective
1. Switch on speaker.
2. Connect up external speaker.
Tab. 1: Testing hardware faults or software faults