Security for your pet

• Using two very sensitive motion sensors (in the door frame above the door leaf and on the underside of the door leaf), the petWALK pet door detects living beings and only closes when no motion is detected within a defined period (see manual chapter "10.2.2 SETTING THE DOOR OPENING TIME, page 51).
• If the animal remains motionless in the doorway, the door leaf may still begin to close because the sensors could no longer detect any movement. This is the same effect you know from elevators or automatic department store doors if you stand in the door or temporarily enter the doorway while it is closing. However, this is not a problem at all, because in this not uncommon case, the next safety measure, namely the motor current monitoring comes into effect.
• You can test this yourself by moving your hand in the pivoting range of the door leaf when the door is open. The symbol for exit control or entry control should flash orange repeatedly, and the door leaf should not close. However, as soon as you hold your hand still for the set period so that no symbol lights up, the door will try to close.
  
  

• Even slight resistance when closing or opening the door immediately stops the door and causes it to move a little in the opposite direction. After some time, the petWALK pet door, after a warning tone, tries to close the door again with a little more pressure, but still carefully. After several unsuccessful attempts, the door goes into alarm mode to indicate a problem. A fallen object could be blocking the door.
• You can easily test this yourself by keeping your hand still in the pivoting area so that the door leaf moves against it. You don't have to worry, because in the event of any electronic malfunction, there is also another mechanical safety device, described below. After four attempts, the door should report the error "E02" on the display.
• If, during your test, the door leaf does not stop immediately and move in the opposite direction, and instead exerts a very light, continuous pressure and only reports the error "E03" after a few seconds, then the mechanical safety device is set too lightly. You can correct this yourself with the help of the manual.
  
  

• The drive motor is connected to the door leaf via a mechanical clutch, which automatically interrupts power transmission at a set resistance.
• This resistance is chosen so that the door, even if all electronic safety functions fail, cannot cause a serious injury, such as a broken bone.
• Due to its design, the set force can decrease over time and due to wear of the clutch linings and, in the worst case, lead to the electronic pinch protection no longer being used, because the door leaf is stopped by the slipping clutch at a lower force before that.
• You can easily test this mechanism yourself by moving the open door leaf open and closed with your hand. This should be possible without much effort. The force you need to apply is also the maximum force that can theoretically act on a pinched object.
  
  

• To be able to move the door leaf as smoothly as possible and still firmly lock the door, we deliberately chose the expensive and complex path of installing two separate drives.
• The door drive receives only as much current as it absolutely needs for movement, and the locking motor can only become active when an electrical contact is closed and the gap on the side opposite the axis is less than 8mm.
• This is ensured by a small wedge on the top of the door leaf and a bolt on the locking mechanism. Only when the gap on the side opposite the axis is in the safe range can the bolt pull the door leaf shut, otherwise it blocks the closing of the door leaf.
  
  

6. Double Door Leaf Closure

• From firmware 5.1, the door leaf automatically opens again by a few centimeters before locking, then closes again, and only locks after the second closure. This automatic opening automatically releases a pinched object (e.g., a tail tip) and prevents it from remaining pinched.
  
  

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