Main circuit test procedure – Yaskawa GPD 506/P5 Section One User Manual

Page 10

PP.P5G5.01.Troubleshoot

Page 10

Rev. 06/11/2003

Main Circuit Test Procedure

This test procedure must be performed before making a repair.

TEST PROCEDURE CHECKLIST

1. Check DC bus voltage.

2. Check input diodes.

3. Check soft charge resistor(s).

4. Check soft charge contactor.

5. Check DC bus fuse.

6. Check the braking circuit. (If internal)

7. Check output transistors.

8. Check snubber circuit.

9. Check the control power fuse.

10. Check the cooling fan(s).

11. Check the cooling fan(s) fuse.

Check box when completed

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