6 Troubleshooting
The term "fault" is a collective term for warnings, errors and alarms. The boiler reacts
differently to the three types of message:
WARNING
In case of warnings the status LED flashes orange and the boiler initially
continues controlled operation.
ERROR
When there is an error, the status LED flashes red, the boiler follows the
shutdown procedure and remains in “Fault / Off“ status until the problem
is resolved.
ALARM
An alarm triggers a system emergency stop. The status LED flashes red,
the boiler switches off immediately and the heating circuit controller and
pumps remain active.
A window with the corresponding fault text will also appear. Pressing the Cancel icon
takes you back to the basic display. If the quick select icon and the warning triangle
flash alternately, there is still a fault. The “Error display” button will now appear in the
quick menu.
6.1 Procedure for fault messages
If you open the window with the respective fault text, the right arrow will take you to
possible causes of the fault.
6
Troubleshooting
Procedure for fault messages
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