Check Function
              
            
- Light barrier is mounted at the front and at the rear
 - Control unit is completely wired
 - Rod or pencil (approx. 150 x 0.8 mm) to interrupt
 - Main switch ON
 
- 1
 - Check the state at the control unit.
 
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                 - 2
 - Interrupt the light barrier of the yellow sensor unit.
 
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The error message 24509 appears at the panel. 24509 - 3
 - Confirm the error message.
 
- 4
 - Interrupt the light barrier of the brown sensor unit.
 
- The corresponding message appears.
 - 5
 - Adjust the sensitivity at the respective potentiometer if the light barrier reacts incorrectly.