Instructions for DKC500ACL/DKC800ACL
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29
Troubleshooting
Any troubleshooting work below done to the motor must be completed by a licensed
electrician and only whilst the power is off and the motor is unplugged!
Problem
Possible Reason
Solution
The gate cannot open
or close normally, and
LED does not light.
1. The power supply is
disconnected.
2. Fuse is blown.
3. Control board X1 terminal
wrongly wired.
1. Connect the power supply.
2. Check the fuse (FU) and replace if
blown.
3. Re-wiring according to user
manual.
The gate can only
open, but cannot
close.
1. Photocell wrongly wired.
2. Photocell wrongly
installed.
3. Photocell is blocked by
objects.
4. Sensitivity of obstacle is
too high (Intelligent type).
5. Hall sensor parts damaged
(Intelligent type).
1. If not connect photocell, please
ensure the infrared port and GND port
has a jumper wire; if connect photocell,
please ensure the wiring is correct and
the photocell status is N.C.
2. Ensure that the photocell mounting
position can be mutually aligned.
3. Remove the obstacle.
4. Reduce the sensitivity of obstacle.
5. Replace hall sensor parts.
Remote control
doesn’t work.
1. Battery level is too low.
2. Remote control not paired.
1. Change the battery.
2. Pair the remote control to the gate
opener.
Press OPEN, CLOSE
button, the gate is not
moving, motor has
noise.
1. Capacitor damaged.
2. Capacitor is poor
connected.
3. Gate moving is not
smoothly
1. Change capacitor.
2. Check the capacitor wiring.
3. Adjust the motor or gate according
to the actual situation.
Not stop when
running to opening or
closing limit switch
position.
1. The opening or closing
limit switch is in opposite.
2. Magnetic limit switch badly
installed.
1. Check whether the limit switch
wiring is consistent with the motor
running direction.
2. Check whether the distance and
height between magnetic limit switch
and motor reaches to standard
requirement.
Leakage switch
tripped.
Power supply cable short
circuit or motor wire short
circuit.
Check wiring.
