17
AT.654254.050 ver.1.0
Troubleshooting manual
Replacement of the RMPS + UDP unit.
RMPS + UDP replacement procedure is the same for each VSD.
Preparations:
A VSD must be de-energized and disconnected from a power supply.
Using a multimeter, make sure that there is no dangerous voltage on a
DC-link.
Use the following tools for dismantling the RMPS + UDP unit:
•
crosshead screwdriver
—
1 pc;
In case if it is necessary to dismantle RMPS + UDP unit:
1.
Take photo or mark all connectors locations.
2.
Unplug signal connectors (yellow) from a terminal blocks which is shown at
figure 1 and disconnect the blade clamps shown in red circles.
Figure 1
–
Unplug and unscrew connectors of a RMPS + UDP unit
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