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Troubleshooting
II. Set speed control pot, P1, at zero on the dial and apply power.
If the line fuse blows, disconnect the power and check the
following:
A. Transient suppressor, DAS, may be shorted.
B. One or more of the diodes (D2, D3, D4, or D5) may be
shorted.
1. Disconnect the motor from the control.
2. Across each of the diodes, resistance should read high
in one direction and low in the opposite direction.
C. Motor cable may be shorted or grounded.
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