Graco 395/490/495/595 important safety instructions Ohms

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Troubleshooting

Problem

What to Check

How to check

6.Perform Field Short Test: Test at large 4-pin motor field connector. There should not be continuity from pin 4, the ground wire, and any of the remaining 3 pins. If motor field connector tests fail, replace motor.

7.Check Motor Thermal Switch: Unplug thermal wires. Set meter to ohms. Meter should read 100k ohms.

1-3 ohms

-

8.Reconnect motor connector(s) to control board socket(s). Connect power, turn ON/OFF switch ON and control knob to 1/2 turn clockwise. If motor does not run, replace control board.

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