The heartbeat LED should be blinking. If not, Disconnect all external
devices (sensors, Multi position switches) then cycle power on the
control. If the heartbeat LED is still not blinking, the control is
malfunctioning and should be replaced.
If programming of the control is unsuccessful, it is best to restore
the default values and then start over, rather than trying to correct
any faulty programming.
When power is applied, the door powers open and stays open.
Motion or presence sensor output is being held (closed circuit).
If unsure which sensor, unplug one by one until fault is isolated.
Correct as necessary.
Safety beam is blocked or is faulty. Correct as necessary.
Door handing is set incorrectly. Enter program mode and
change hands.
Door powers closed and then stay closed.
Press the TEST button on the face of the DC One control.
Door should power open and then close. If door does not
open, door handing is set incorrectly. Enter program
mode and change hands.
Door will not open or close.
As a first step, always check the DC One digital display
FAULTS DETECTED MENU for error messages and proceed
accordingly. Look to see if there is an OBSTRUCTION error,
This is the most common error . Obstruction errors can be
caused by mechanical drag or worn parts.
Remove Power and slide the door by hand checking for any
binding, dragging. If the door is hard to move or binding, Repair
the problem and re power the control.
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