Appendix
20
Operating and installation instructions
MiSet
0020288229_00
Appendix
A Troubleshooting, maintenance message
A.1 Troubleshooting
Symptom
Possible cause
Measure
Display remains dark
Software error
1. Press and hold the button on the top right
of the system control for longer than five
seconds in order to force a restart.
2. Switch off the mains switch on all heat
generators for approx. 1 minute and then
switch them on again.
3. If the fault message persists, inform the
competent person.
No changes in the
display can be made
via the control ele-
ments
Software error
1. Press and hold the button on the top right
of the system control for longer than five
seconds in order to force a restart.
2. Switch off the mains switch on all heat
generators for approx. 1 minute and then
switch them on again.
3. If the fault message persists, inform the
competent person.
Display:
Button lock
activated
, it is not
possible to change
the settings or values
Button lock is active
▶
Press the button on the top right of the sys-
tem control for approx one second in order
to deactivate the button lock.
Display:
F. Boiler
fault
, the specific fault
code (e.g. F.33) with
the specific boiler is
shown in the display
Boiler fault
1. Reset the boiler by first selecting
Reset
and then
Yes
.
2. If the fault message persists, inform the
competent person.
Display: You do not
understand the set
language
Incorrect language set 1.
Press
twice.
2.
Select the last menu item (
SETTINGS)
and confirm by pressing
.
3.
Under
SETTINGS, select the second
menu item and confirm by pressing
.
4. Select the language that you understand
and confirm by pressing
.