7 Maintenance / Repair
7.1 Resetting after an alarm
After an alarm is activated, the manual call point must be reset to a state in which it
is ready for operation.
Reset the detector to a state of operational readiness as follows:
FDM223 and FDM223H
w
The glass insert has been shattered and the alarm button is pressed.
1. Open the door of the manual call point. See the chapter 'Preparation [➙ 27]'.
2.
CAUTION! Sharp remains of glass. Risk of cutting injuries when removing
the remains of the glass insert. Remove the remains of the glass carefully.
3. Remove all the remains of the old glass insert.
4. Insert a new glass insert. See the chapter 'Replacing the glass insert [➙ 45]'.
5. Push the black stopping lever in the upper right corner of the switching unit to
the right until it clicks.
a
The alarm button is now protruding by approx. 5 mm.
6. Close the door of the manual call point.
7. Carry out a performance check. See the chapter 'Checking function [➙ 39]'.
a
The manual call point is ready for operation again.
FDM224 and FDM224H
w
The glass insert has been shattered and the alarm button is unstressed.
1. Open the door of the manual call point. See the chapter 'Preparation [➙ 27]'.
2.
CAUTION! Sharp remains of glass. Risk of cutting injuries when removing
the remains of the glass insert. Remove the remains of the glass carefully.
3. Remove all the remains of the old glass insert.
4. Insert a new glass insert. See the chapter 'Replacing the glass insert [➙ 45]'.
5. Close the door of the manual call point.
a
Closing the door pre-stresses the alarm button in the switching unit.
6. Carry out a performance check. See the chapter 'Checking function [➙ 39]'.
a
The manual call point is ready for operation again.
Maintenance / Repair
Resetting after an alarm
7
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