User Manual QT series generation 2.5, ID 2021, rev 3.2, January 14, 2022
This procedure describes how to change the failsafe module in the Eltorque
QT Series generation 2.5 Failsafe actuator.
Parts of this procedure also apply to first time installation of the Failsafe
actuator as the battery cable must be connected - see steps 12 – 16.
Enable service mode either from the actuator control panel or by rotating the
handwheel of the actuator.
Make sure that the actuator service indicator light is yellow on all actuators that the
battery change procedure is going to be performed on before proceeding to the next
step.
Turn off the power going to all actuators that the battery change procedure is going to
be performed on. (Be aware of failsafe triggers for the rest of the loop.)
Remove the six hexagon socket cap
nuts holding the interface to the
actuator.
The nuts are marked by red circles in
the illustration.
Remove the nuts by turning them
counterclockwise. Place the nuts in a
secure location.
The interface and failsafe module are
loose when the nuts are removed:
Make sure that the interface and
failsafe module do not fall off.
Required equipment:
− 4mm Hexagon Key
Remove the interface as shown in the
illustration.
Make sure to not drop the interface,
or to let it hang by the cables.
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