User’s Guide of DO3000 Door Operator
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please avoid strong magnetic field or
electric field.
Door operator drive
output exceeds the
limit for a certain period
of time.
Check whether the hanger plate can
move smoothly.
The voltage of door
operator bus is
detected to be lower
than the lower limit of
specification range.
Due to instantaneous power outage,
the supply voltage may reduce. In
addition, the power supply capacity
may be insufficient. When the voltage
is low, DC bus voltage is about 210V.
Door width learning
error
For the first slow operation, there is
large difference between the
open/close distance and door width
obtained at learning stage. Check
whether it can move smoothly and
whether the door width data is correct.
Initial angle
learning error
Initial angle learning
result error
Check whether the machine is
jammed, whether the motor phase
sequence is correct, and whether the
encoder wire and motor power line are
loose.
Door operator can not
be completely open,
with the open action
failure alarm
In case of fault during the open
process of door operator, check
whether the machine is jammed.
Too large difference
between the feedback
current value and given
current value exceeds
the alarm threshold
When the power line loses one phase
or several phases, there is large
difference between the feedback
current value and given value. Check
whether the motor power line comes
off or is short-circled.
The fuse on the capacitor bus is
blown. Check the circuit board for the
blowout of fuse.
The voltage of door
operator bus is
detected to be lower
than the specified
value
Supply voltage of door operator is too
low or the power cord is in poor
contact.
Delivered controller is
directly put into
operation without
learning.
Conduct the angle learning and door
width learning.
2.6.1 Angle learning failure
In case of angle learning alarm, first check the motor power line for looseness or reverse connection, and if
no problem is found, pull the hanger plate to the middle and try again.
2.6.2 Reverse open/close order of door width learning
For the door width learning, the door should be theoretically closed, then opened and finally closed, and in
case of the reverse order, the following instructions should be followed:
Step 1: Enter the server menu 332 and change OpenDirection parameter to the opposite.
Step 2: Cut off the power, and re-power to conduct the learning again, and check whether the open/close
direction is correct.
2.6.3 Open/close not arrive for door width learning
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