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ATD Actuator
®
Troubleshooting Guide
Symptom Solutions
Door does not move 1) Check Power to Unit
x Blown Supply Fuse supplying power to ATD
x Power Cable plugged into selector switch inside
x Selector switch set to correct voltage (115 or 230
VAC). If wrong voltage is selected the control or
power module will be damaged!
x Is the supply voltage too high or too low (+/- 10%)
2) Correct Wiring
x Correct signals to correct wiring terminals
x External wiring error from relay, pushbutton, etc.
x Is relay, pushbutton, etc. working correctly
x Check to verify that no external voltage is present on
the signal wires
x The signal wire is properly connected to the terminal
x Verify that the wires are not damaged
x Is the ribbon cable from the input signal board to the
ATD control module (ATD 50 and 101) plugged in
properly
x Are the quick-connect wire terminals plugged in
properly
x Are the quick-connect terminals plugged into the
correct location
Control Module Functioning Properly
x Are all the cables (encoder, brake, output relay
module) all plugged into the Control Module
x Is the Green LED Lighted (ATD 50 and 101 on Control
Module. ATD 100 on Power Module)
x Yes – Go to #2 below
x No – Is Red LED Illuminate
x Yes – Emergency Stop is active or there is
a problem with the Control / Power Module.
Check the Diagnostics Screen for
information.
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