Protections And Alarms; Software Update - Tech Controllers EU-L-7E User Manual

X. PROTECTIONS AND ALARMS
In order to ensure safe and failure-free operation, the regulator has been equipped with a range of protections. In case of
an alarm, a sound signal is activated and the display shows a message informing about the detected problem.
Automatic sensor control
In the event of temperature sensor damage an alarm is activated informing the user about the type of failure e.g. 'Alarm.
Sensor damaged'.
The alarm remains active until the problem is solved (checking the sensor connection) or the alarm is deleted from the
external controller level.
How to delete the alarm in the external controller
Select the zone where the alarm has occurred (an exclamation mark is displayed instead of the external controller
number). Press EXIT - the screen will display two options: Reset and OFF.
The external controller will attempt to communicate with the sensor (it may take a few minutes). The valve remains in
alarm position until the communication is established. If the communication attempt is not successful, the alarm will be
activated again.
OFF
This function is used to deactivate the zone. The zone may be activated again with ON option - Main menu / Sensors /
Zone 1...8.
This alarm may also be deleted via the website.
Fuse
The regulator has a WT 6,3A tube fuse-link (5x20mm) protecting the network.
WARNING
Higher amperage fuse should not be used as it may damage the controller.
XI. SOFTWARE UPDATE
In order to install new software, the controller must be unplugged from the power supply. Next, insert the USB flash drive
with the new software into the USB port. Connect the controller to the power supply at the same time holding EXIT button.
It is necessary to hold EXIT button until a single sound signal is heard – it signalises that the software update process has
been initiated. After it has been completed, the controller restarts automatically.
NOTE
Software update shall be conducted only by a qualified fitter. After the software has been updated, it is not possible
to restore previous settings. Do not switch the controller off while updating the software
21
.