Mitsubishi Electronics 882.00273.00 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.
BF1-615.3		Chapter 6: 5BTroubleshooting		71 of 101