Functions Of Leds A And B; Connection Diagram - Bosch Mac Tools Mentor Touch ET750 Operating Instructions Manual

4.5.3

Functions of LEDs A and B

Status LED A
ET650 ready for oper- Does not illumi-
ation nate
Data communication Flashes green
with the controller (irregular)
Firmware update Does not illumi-
in operation nate
LED A Function
Does not illumi- No data communi-
nate cation with the con-
troller
Flashes green Data communication
(irregular) with the controller
Illuminated green Fault in hardware/
Firmware
Illuminated red Power supply
> 35 Volt.
LED B Function
Does not illumi- Voltage not present
nate
Flashes green ET650 ready for op-
(1 second inter- eration
val)
Illuminated green Fault in hardware/
Firmware
Flashes yellow Overvoltage on
(1 second inter- diagnostic cable
val)
Illuminated yellow Fault in hardware/
Firmware
Flashes red Firmware update
(irregular) in operation
Illuminated red Fault in firmware-
update
Unplug the USB connection and power supply and connect them
*)
again. If the error still exists, contact customer service.
Robert Bosch GmbH
4.6
The ET650 can be connected to the ET750 via Bluetooth
LED B
or the USB interface.
Flashes green
(1 second interval)
Flashes green
(1 second interval)
Flashes red
(irregular)
Measures
Check connection
with the controller
None
*)
Check voltage in ve-
hicle
Measures
Check power
supply
None
®
*)
*)
*)
Fig. 6:
None
1 OBD interface in motor vehicle
2 OBD connection cable
Repeat firmware
3 ET750
update
4 ET650
5 Power supply unit
6 USB connecting cable
7 Connection cable for cigarette lighter socket
Product description | ET750 | 13

Connection diagram

7
1
9
2
10
3
11
4
12
13 5
14
6
15
7
16
8
6
®
ET650 connection diagram
1 689 989 240
en
1
2
3
4
5
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2015-09-25