| 10 | Troubleshooting |
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| Problem | Possible Cause | Solution |
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| Verify that the correct |
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| No power. | pushbuttons are being |
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| depressed and that the |
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| main disconnect switch is |
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| in the ON position. |
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| Try to locate grounds, a |
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| locked rotor or other |
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| reasons. |
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| Fuses are blown. |
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| Replace fuses with the |
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| size and type shown on |
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| the wiring diagram |
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| (located in the control |
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| Motor/(optional) fan |
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| Check for motor and fan | If required, reset #1 |
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| motor will not start. | overloads. | MOL, #2 MOL. |
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| Check the limit switches |
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| at the cutting chamber, |
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| If a limit switch is open. | screen chamber, and |
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| hopper cleanout doors. |
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| Ensure proper actuation |
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| and replace if required. |
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| If fan is hinged type | Check safety limit switch |
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| to be sure it is making |
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| design (optional) |
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| contact. |
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| If not equipped with fan | Check jumper on |
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| terminals #3 & #5. |
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| After completing above |
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| inspection, machine will | Call Service Department. |
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| still not start. |
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| Machine is overloaded | Reduce amount of |
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| feedstock put into |
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| with feedstock. |
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| machine per unit of time. |
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| Machine stalls/(optional) |
| Clear the jammed |
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| material then visually |
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| fan stalls |
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| Pieces of feedstock | inspect the rotor to |
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| jammed in the rotor. | ensure it is not damaged |
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| and that the knife gaps |
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| are correct. |
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| Problem | Possible Cause | Solution |
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BP1620, BP1628 & BP1640 Granulators | Page 39 BP1600 |
