Thomson
Thomson Electrak
®
LL Actuator - Installation Manual - 2020-1114
Troubleshooting list
Issue Problem Solution
Actuator does not move,
makes no sound.
Actuator is not receiving
proper input voltage.
Ensure the actuator is being supplied with proper rated
input voltage.
Actuator makes buzzing
sound, does not move.
Actuator does not have
enough power and is stalled.
Ensure your power supply can provide enough current to
move the rated load.
The actuator, when powered,
is causing my fuse to blow.
Fuse is not rated for current
draw of the actuator.
Make sure that the fuse is rated for the in-rush current of
the actuator, which is typically 1.5 times the rated current
draw of the actuator at full load. Slow-blow fuses are also
recommended.
The actuator is not stopping at
the right place.
External limit switches are in
incorrect position or are not
working.
Control the functionality of the external limit switches.
6. Troubleshooting
6.1 Troubleshooting
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