Taconova H3000 E, Operating Instructions Manual

Page: 32 / 57

9 Faults
9.1 Safety instructions when repairing faults
WARNING!
Danger to life due to unauthorised restart!
An unauthorised restart of the power supply when
repairing faults presents a danger of severe injuries
or even death for persons in the danger zone.
– Before starting any work, shut off all power sup-
plies and secure them against a restart.
9.2 Fault display
The LED on the circuit board lights up red when the software is not
able to run correctly. For further information about the error, connect
the HMI (
Ä
Chapter 6.1 ‘Connecting the HMI’ on page 25) and observe
the alarm message ( Ä
Chapter 9.3.2 ‘Fault table’ on page 33).
The LED in the [ALARM] button flashes red as soon as an error occurs.
Pressing the button allows details about the alarm ( Ä
‘Faults with
error message’ on page 33) to be viewed.
The LEDs on the valve flash in alternation as soon as a fault occurs on
the valve. For further information about the fault, connect the HMI
(
Ä
Chapter 6.1 ‘Connecting the HMI’ on page 25) and observe the
alarm message ( Ä
Chapter 9.3.2 ‘Fault table’ on page 33), and repair
the fault on the valve in accordance with the documentation for the
valve.
9.3 Fault repair
9.3.1 Viewing an error message
The last error message and the error list containing all faults can be
viewed on the HMI.
Pressing the
[ALARM] button several times toggles between the fol-
lowing overviews:
n
Error details of the last current error
n
List of all current errors. The selection button can be used to
select a specific error message and open the corresponding
details page.
n
List of all previous errors (history)
n
Select the current error list or the history
Securing against a restart
LED on the circuit board.
LED on the HMI
LEDs on the valve
H3000 E Faults
01/2023 Item no. 215251 EA no. EA-1291 Operating instructions 32