Hard to open the door

Scenario 1: The door is hard to open and the lock tongue jammed with the strike :

SOLUTION: Preload

• This will lead the door open a small gap and stop or clamp by the door strike.
• Increase the preload time.
• Please see the FAQ "Special Scenario Parameter Setting" for detail information.

Scenario 2: The door is hard to open because of the air pressure:

SOLUTION: Quick Open - 2 kick out ramp

• The door is continuously pulled to close by air pressure.
• This will lead the door hard to open.
• Change the parameter from 1 stander to 2 kick out ramp
• Please see the FAQ "Special Scenario Parameter Setting" for detail information.