Computer Connection; Operating Voltage; Software Update; Led Display - Truma Diagnose Tool Gebrauchsanweisung

Computer connection

USB
Fig. 2

Operating voltage

The interface requires a DC voltage of 12 V / ≥ 0.1 A.
The power is supplied via:
– the control unit
– or via a cable connected to the control unit
– or the USB interface on the computer (USB cable with
5 V -> 12 V transformer)
12 V
Fig. 3

Software update

The current software can be downloaded from the section for
dealers (see www.truma.com).
Each time it is started, the "Diagnose Tool" searches for
current software. A message is displayed if an error oc-
curs (e.g. no internet connection).

LED display

1
2
3
Fig. 4
18
USB
5 V -> 12 V
1 Error – red LED
– Information about data
communication (e.g. frame
malfunction)
2 On – green LED
– Lights up
USB connection and operat-
ing voltage present
– Flashes (1 Hz)
No operating voltage via
interface 1(2)
– Flashes intermittently (1 Hz,
0.5 s off / on)
No USB connection
(Connect / check cable)
3 Data – amber LED
– Signal indicating data trans-
fer on bus

Connection (devices, control units)

Observe the ESD regulations!
Combi / Combi D

Control unit installed in heater

Requirements for operation
For electrical heaters, e.g. Combi 6 E, disconnect the
power selector switch.
Version of software
in the device
< V 05.00.00 – Room temperature control at
position 1 (= turned all the way to
the left).
– Switch on control panel – heat-
ing without controlled water
temperature.
≥ V 05.00.00 – Disconnect digital / analogue con-
trol panel.
– Disconnect air conditioning
system.
– Connect the "Diagnose Tool" using the Combi adapter
cable.
Connection
Combi
Fig. 5
Combi
Fig. 6
* Required for Version of software in the device < V 05.00.00
X1 RJ12 cable extension coupler
Error memory export
– Start "Truma Diagnose Tool / Error Explorer" program on
the computer.
*
X1
1 2
Interface
Diagnose Tool
USB
USB 12 V
5 V -> 12 V
X1
1 2
Interface
Diagnose Tool
USB
USB 12 V
5 V -> 12 V
*