Overload Trip Levels
Closing Trip Level:
The Closing Trip Level is a setting at which the door will retract (while closing) upon
encountering pressure. This is a safety feature that prevents the motor from
continuing if the software thinks the door is experiencing higher than normal pressure.
The lower the Closing Trip Level value, the easier the motor will sense pressure and
retract. The higher the setting, the greater amount of pressure required to cause the
door to retract. The goal is to find a setting that is a good compromise between
avoiding false triggers due to the door’s inherent load factor, and being too high. In
a new installation, this setting is one of the main calibrations required. If you notice
that when trying to close the door it retracts by itself and returns to the open position,
then the Trip Level is too Low. Raise the Closing Trip Level in small increments until the
door will move completely to the closed position. This process is a bit of trial and error.
Note: A door that gets used very frequently will require a higher TRIP LEVEL than a
door that gets used infrequently. This is because as the circuitry warms up due to
driving the motor a lot, the system will become more sensitive and will produce false
‘Trips’ and subsequent retractions while closing.
The speed the door is set to will affect the Closing Trip point. The faster the door is
moving, the more current the motor is consuming, thus a higher Trip Level will be
required to avoid false trips. Each time the speed is adjusted in the menu, the Trip
Levels will need to be adjusted as well for optimal retraction. If you have set the Trip
Level to a good value, and then you raise the speed to a faster speed, then there is
a good chance the door will produce a false trip and will retract by itself.
Opening Trip Level:
The Opening Trip Level is a similar function to the Closing Trip Level, except that it is
the value for the opening direction pressure. Pressure senses above the Opening Trip
Level threshold, the system will shut down requiring reboot. This is to prevent damage
if the door has become jammed while opening.
Home Trip Level:
The Home Trip Level is a similar function to the Opening and Closing Trip Level, except
that it is the value for the HOMING phase. The Homing phase occurs at boot up,
where the door will automatically move towards the fully OPEN position to find the
HOME switch. If the software detects a pressure trip level during this motion, it
assumes that the door is not moving freely and shuts down the system requiring
reboot. If the system shuts down during the Homing Phase, the user shoulds power off
the system, and test the door manually back and forth to make sure the door is able
to move freely to the Home Switch. If the door will not home due to a home trip level
error, power off and reboot using the BYPASS SETUP MODE, then adjust the Home Trip
Level setting a little higher and exit the Setup Mode to begin the Homing process.
Adjust the Home Trip Level until the door can move to fully open without an error.
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