Mitsubishi Electronics 882.00207.00 specifications Service Department, Problem, Corrective action

Problem	Corrective action
	This Is caused by the difference in bits not being large enough.
I can’t calibrate the Scale	Using the Direct Scale Readout, examine current loadcell bits with
	and without the calibration weight. If the bits do not change
without an error message.
	significantly, then check for pellets jamming the loadcells and
	check the loadcell circuit. You might have a bad loadcell.
	Do other feeders calibrate correctly? Is the feeder I’m trying to
	calibrate a large gate? If these are true, then lower the Batch % for
	Feeder Cal setting under Feed Calibration Options. This can be
I can’t calibrate the feeder	observed by looking at the Hopper Weight display.
without an error message.
	None of the feeders calibrate? Check the Scale Calibration. If this
	is correct, then lower the Batch% for Feeder Cal setting under Feed
	Calibration Options for each feeder. This can be observed by
	looking at the Hopper Weight display.
	Check the dump time setting. It may be set too short.
Weigh hopper does not empty	If this does not correct the problem, clean the weigh hopper and
completely.	recheck the scale diagnostics readout. If not showing (0) zero when
	empty, re-calibrate the scale.
	Verify application is not exceeding blender capacity.
	Verify additive percentage is not higher than designed, resulting in
Blender does not make rate.	excessive dispense time.
	Verify all materials are feeding freely through the metering gates
	or augers.
I have changed the recipe entry	All of these settings are part of the current running recipe. This
mode, metering order, batch
	makes it easy for the operator to load a stored recipe without
size, inventory shutdown,
	having to reconfigure all of these parameters for the new recipe.
weigh every batch mode, or
	All you have to do is touch “Accept New Recipe” to load these
feeder type and alarm flags, but
	values into the running recipe.
the change hasn’t taken place.
A feeder always puts too much	Check that the Gate Cycle Time is set correctly. If it is then lower
	the Initial % of Target to Meter. These are found under Feed
material in the batch.
	Algorithm Options. Make small adjustments and retest.
	Increase the Gate Cycle Time. This is found under Feed
A feeder is retrying more than	Algorithm Options. Make small adjustments and retest.
	Increase the Allowed Underfeed value under Feed Algorithm
2-4 times.
	Options.
	Decrease the Retries before Double Gate Time.

Note: Other service problems or questions can be answered by contacting the

	Service Department.
Bulletin Number	Chapter 6: Troubleshooting	71 of 102