CP SB1 User Manual
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Note: During switching between the phases, the transformer is always
automatically discharged.
3.5.3 Trouble-Shooting
If you encounter any problems in the operation of the CP SB1, you can check
the performance of the switch box in connection with the TRTapCheck test card
by conducting a simple test.
• Connect the CP SB1 with the CPC 100 as shown in Figure 3-10:
Figure 3-10 Measurement setup for the trouble-shooting test
• Select D as winding connection, A for measurement, and enter a value of 1 A
for Itest on the Settings page.
• Press the I/O (test start/stop) push button to start the test.
• The respective LEDs of the CP SB1 should light up in red if the switch box
performs correctly. The measurement should produce a value in the
respective value range for the cable used.
Note: You can conduct the test in the same manner with the CPC 100 to check
its performance.
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