Control Card Test - Danfoss VLT Series Service Manual

5.2.15 Control Card Test

The control card tests checks the operation of the analog and
digital inputs, the analog/digital relay outputs and the +10 V
control voltage.
1. Cycle power to drive.
2. Access parameter 620, Operating Mode, and
select control card test.
3. Remove power to drive.
4. Wire control terminals as shown in Figure 5-13.
5. Reapply power to drive.
6. Press OK key on drive keypad.
7. Control card test will be carried out automatically.
Display will indicate a pass or fail mode. If a failure
is indicated, replace control card in accordance
with procedures in Section 6.
8. If tests pass successfully, press OK key and
parameter 620 automatically returns to normal
operation.
5-28
VLT is a registered Danfoss trademark
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Figure 5-16. Control Card Test Connections
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