The error message is repeated after eight hours, and then after a further four and then two hours, and finally
every hour.
The alarm is cancelled if the filter saturation level drops below 100% once more after the replacement of the
filter with a new unit; or if turbine capacity drops below 100% for a given volume flow.
6.4.8. Collective error message “change coal“
Display-announcement: „change coal“
Acoustic indicator: Buzzer
The activated carbon must be replaced.
Indicator light: red
Output signal: 24 V DC if the collective error message is not active.
The displayed error message, along with the buzzer signal, can be cancelled by pressing the ”+” or ”-” or
ENTER button.
The error message is displayed once more as soon as the control system has been switched off and on
again.
The error message is repeated after eight hours, and then after a further four and then two hours, and
finally every hour.
After replacing the coal the alarm must be cancelled by pushing the „+“ and „-“ simultaneous for 3 seconds –
the announcement reads „coal O.K.“ for 3 seconds. With this action the signal will be reset to the fix pre-set
data (1000 h).
6.4.9. Collective error message „change brushes“
Display-announcement: „change brushes“
Acoustic indicator: Buzzer
The brushes must be changed.
Indicator light: red
Output signal: 24 V DC if the collective error message is not active.
The displayed error message, along with the buzzer signal, can be cancelled by pressing the ”+” or ”-” or
ENTER button.
The error message is displayed once more as soon as the control system has been switched off and on
again.
The error message is repeated after eight hours, and then after a further four and then two hours, and finally
every hour.
After replacing the brushes the alarm must be cancelled by pushing the „+“ and „ENTER“ key for 3 seconds
in one operation – the announcement reads „brushes O.K.“ for 3 seconds. With this action the signal will be
reset to the fix pre-set data (450 h).
With several error messages at the same time the display-announcement indicates each error for 4 seconds
by turns.
6.5. Indicating and adjusting the system-parameter
Confirmation with the ENTER key opens access to the submenu where the system parameters are
displayed.
Press ENTER again to jump to the next parameter or return to the basic adjustment. If no entry is made for
10 seconds, the screen returns automatically to the basic adjustment.
Operating Instructions Mistral (Plus), Mistral Eco (Plus), Mistral Super Plus 110 and 230V vers. 4.10 Page 26 of 47
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