Problem

Corrective action

 

Check the blender’s scale calibration and verify that the batch

Recorded Inventory Totals

hopper is not overfilling. If the hopper is overfilling, adjust your

batch size. If this is correct, then you are probably not accounting

don’t match what I’ve actually

for material scrap or other items in your process.

used

 

Some error can be introduced by not weighing every batch. Check

 

 

the Recipe Page.

 

 

Max Hopper Weight Exceeded

Stop the Blender and the Start it again. This causes the blender to

perform an automatic feeder calibration. If this doesn’t fix it, then

Alarm continues to re-occur.

manually perform feeder calibrations and retest.

 

 

 

 

Check that the printer is a SERIAL printer. If not, then you will

Printer did not print

need to either get a SERIAL printer or purchase a SERIAL to

PARALLEL converter.

 

 

 

 

Check printer communication settings under Panel View Config.

 

 

 

Check the blender’s Alarm Log to determine if the blender was

I’m missing an Automatic

powered up during the print time. The blender keeps track of

Power On and Off conditions.

Inventory Report

Check that the date and time are set correctly on the Panel View

 

 

Config Page.

 

 

 

The blender intermittently dumps a batch of material with one or

 

more of the components incomplete.

 

 

 

Check the recipe information; ensure that both the percentages and

Blender occasionally dumps an

batch size are set properly.

 

Check the status of the alarm flags & Feeder Setup to ensure that

incorrect batch.

all of the feeders are set to Retry. In addition, if the blender is

 

 

configured for timed batches then this can cause error.

 

 

 

Check supply hopper ventilation to prevent problem associated

 

with leaky vacuum receiver flappers.

 

 

 

Check the mixer high-level switch sensitivity. When the sensor is

 

covered by material, the indicator lamp on the back of the switch

 

should be lit. To adjust the sensitivity, use the small adjustment

Blender keeps dumping after

screwdriver that was provided with the blender. The adjustment

pot is located on the back of the sensor. Rotate clockwise to

mixer is full.

increase the sensitivity (less material in front of the switch to

 

 

actuate it). Rotate counter clockwise to decrease the sensitivity

 

(more material covering the switch).

 

 

 

Check the mixer high-level sensor connection to the control panel.

 

 

 

Check the mixer high-level switch sensitivity. Fines may have

Blender will not batch with

coated the level switch; it needs readjustment.

Check the proximity switch connection.

empty mixer.

 

Make sure that the recipe is correct.

 

 

 

 

Check batch size.

 

 

Gravimetric Batch Blenders w/Mitsubishi Control Chapter 6: Troubleshooting

73

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Mitsubishi Electronics A0567659 specifications Problem Corrective action

A0567659 specifications

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