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Symptom Solutions
Door does not move
(continued) 2) Mechanically Related
x Does the door move freely when connected to drive
Belt?
x No - Does the output sheave turn without excessive
effort? (The sheave will require some effort to
rotate. Sheave will not “spin”!)
x No – loosen the four screws around the drive
sheave up to 1 full turn. Turn output sheave by
hand until sheave rotates freely. Retighten all
four screws.
x Yes- does the motor shaft rotate but the drive
sheave does not?
x Belt between the motor to output sheave is
either broken or came off the sheaves
x Is the door too heavy for the ATD?
3) Software Related
x Connect SERsoft and establish ON-LINE Connection.
Make sure you are using correct SERsoft version!
(V1.2 for ATD 100 and V1.5 for ATD 50 and 101)
x Check Diagnostics Screen for any errors
x Verify the correct “Actuator Type” is programmed
in the “Basic Functions” screen.
x ATD 50 – Should display MxP 50 / ATD 50
x ATD 100 – Should display MxP 100 / ATD 100
x ATD 101 – Should display MxP 101 / ATD 101
See “Reprogramming ATD Actuator Type” Instructions for Solution
Door “does not stay closed” 1) Is there an obstruction present?
2) Go to “Motion Control” Screen and check the
“End Stop Tolerance” Value?
If the door has a seal that is not compressing
consistently, the “End Stop Tolerance” value may
need to be increased.
3) “Reverse Closing” input missing
ATD 50 / 101 - Install Jumper between C8 and C9
ATD 100 - Install jumper between H1 and H7
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