| Problem |
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| Corrective action |
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| Normal after a software upgrade. Follow | |
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| Check the input power. Verify that 110 volts (or 220 volts) are | |
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| ±10%. This voltage must remain constant with all the motors | |
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| starting and stopping. Insure that the blender is on a “clean” circuit | |
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| that does not have other equipment on it. If the power is known to | |
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| be intermittent and have problems, set up the unit to run in | |
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| “AutoStart” mode. See the factory setup sheet at the end of this | |
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| manual. In this mode, if a short power interruption occurs, the | |
| PLC Module Loaded |
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| blender will automatically restart. |
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| Check the power supply. Make sure that it has +5 VDC output to | ||
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| the CPU board. Adjust to +5 VDC, ±0.1 volt. |
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| Check the display ribbon cable connection to the CPU board and | |
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| the display. See the electrical chapter for more information. | |
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| Check the contrast adjustment located on the display board. | |
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| Check keyboard ribbon cable connections. |
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| Check the CPU board for “lockup”. To do so, reset the CPU board | |
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| by cycling the power off and on at the motor control panel. | |
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| Check batch weight setting in the recipe menu. See the setup | |
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| chapter for more information. |
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| Check the load cells and weigh hopper mounting for binding, etc. | |
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| Weigh hopper occasionally |
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| Check to see that a pellet has not lodged under a load cell. | |
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| overfills. |
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| Check the ingredient supply hoppers to verify proper ventilation. If | |
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| a vacuum receiver has a leaking flapper valve and the supply | |
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| hopper is not vented, the blender computer can learn inaccurately | |
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| and cause an overfill condition on the next few cycles. | |
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| Check the load cell connections to the panel. |
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| Check the mix timer setting. This problem is normally due to over | |
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| mixing. See the mix timer section in the setup chapter. Reduce the | |
| Material tends to separate in the |
| time until the problem is corrected. |
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| mixing chamber. |
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| Check the mixer drive to ensure that the agitator is turning | |
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| properly. |
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| Check the high level switch in the mixer to lower the level slightly. | |
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| Material sticks to the flapper of |
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| the weigh hopper and is not |
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| Increase the Dump Cycles setting in Mixer and Dump Setup. | |
| dumped. |
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| Too much material remains in |
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| Increase the Mixer Dump Time in Mixer and Dump Setup. | |
| the mixer. |
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| Increase the Mixing Time in Mixer and Dump Setup. Actually if | |
| The material is not being mixed |
| you over mix material, you can have the same problem. If you | ||
| thoroughly. |
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| have the blender set for “Continuous Mixing” then change it to | |
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| “Timed Mixing” and adjust the Mixing Time appropriately. | |
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Chapter 6: 5BTroubleshooting | 68 of 101 | ||||
Page 68
Image 68
