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P-MU-AD425S Ver. A Publish:2008.07.11 Page: 18/ 20
Trouble shooting
Problem Possible Cause Solution
No AC power
Make sure the Control Board and fuse are
working properly and connected properly.
Motor have no power
(LED motor light not on.)
Make sure all motor terminals are connected
properly.
Jumper 1-9, or PUSH Switch
setting is incorrect.
Jumper 1-9 is N.O., or using the “GO” switch.
AD-425S becomes manual mode. When the
connector is N.C. or using the “PUSH” switch,
and then change to automatic mode.
The door does not
respond.
Door accidentally locked.
Attach any flexible items (eg, rubber or others) to
the Door-stop for increasing damping capacity.
We recommend you to use the electromagnetic
lock.
Safety contacts are open
Turn to “OPEN” Mode.
The door can
automatically open
but doesn’t close.
The automatic close function
does not respond.
Check Jumper 1-2 (N. C.)