Operating instructions for actuators type AB with SMARTCON control unit
OM-ENGLISH-CSC-V2.08-2019.11.07 11 Troubleshooting
The replacement of the lubricant from the main body must be performed via the handwheel.
Every approx. 10,000-20,000 hours ( about 5 years - section 14, page 47), depending on the workload,
you must:
• Change Oil
• Replace seals
Check all roller bearings and the worm-wheel assembly and replace if necessary.
Check our lubricants table for recommended oils and greases. (14, page 47)
11 Troubleshooting
Upon warning or error, the bottom line of the display will show the corresponding, plain text description. This
event will also be entered into the history (see section 8.2, page 43)
11.1 Error list
Error LED indicators Description
Motortemp. trip L4 is off
there are 4 possibilities for this failure:
1. phase sequence of the power supply is wrong, exchange
phase L1 with phase L2
2. loss of one phase, check the power supply
3. a fuse is blown – refer to section 12, page 45
4. motor is to hot
travel fault
L1 and L2 is on
L4 is flashing
the travel device is out of its range and must be adjusted – refer
to section 5.3, page 13
inverter fault L4 is off
communication with frequency inverter fault, please contact the
supplier
torque sensor fault
L3 and L4 is
flashing
please contact the supplier
12 Fuses
Depending on the version of the SMARTCON control unit, there are fuses located in the terminal area, the
dimension of the fuse is indicated next to the fuse holder.
Figure 74: 1. . . Connection compartment
45
To Next Page
Loading...
Need help?
General
