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tion (completely in). If the message does not disappear, internal sensor
operation can be disabled by pressing the
A 20
Sensor in incorrect position during calibration.
Bring it to the position indicated and repeat the calibration.
A 23
Incomplete or incorrect data entry in ALU P = EASY ALU.
Repeat the input correctly.
A 26
Programme available only after selecting one of the following programmes:
ALU 1P = EASY ALU1 / ALU 2P = EASY ALU2 / Motorcycle Dynamic / Motor-
cycle Alu or if selected in the Motorcycle Programme but with the wheel
NOT in a centred position.
A 41
Incorrect wheel spin procedure on the wheel balancer without guard. The
warning appears when the spin button is pressed for more than 10 seconds
without pressing the "START" key at the same time. Release the button and
spin the wheel according to the procedure indicated in the "Wheel Spin"
paragraph.
If the problem persists, call in the technical support centre.
A Stp
Wheel stop during the spin phase.
Wheel movement is not integral with swinging unit movement: Check cor-
rect wheel tightening.
A Cr
Spin performed with the guard raised.
Lower the guard to perform the wheel spin.
In machine versions with the spin push button, release either the START
button or the push button during the spin.
Carry out the spin holding down both the START button and the push button.
E 1
No sensitivity calibration.
Perform the sensitivity calibration procedure.
E 2
Error condition on sensitivity calibration.
Repeat the sensitivity calibration, being careful NOT to knock the machine
during the calibration phases.
E 3 I/E 2/3 Error condition at the end of sensitivity calibration. Repeat the calibration,
if the message persists perform the following checks:
• Correct sensitivity calibration procedure;
• Correct fastening and position of the calibration weight;
• Mechanical and geometric condition of the calibration weight;
• geometry of the wheel used.
E 4
a) External sensor calibration error. Perform the external sensor calibration
procedure.
b) if the error continues after calibrating the external sensor or the external
sensor is not present, or there is a distance- diameter measuring sensor
fault, call in the technical support centre.
E 6
Error condition when executing optimisation program.
Repeat the procedure from the beginning.
E 12
a) Width sensor not in the rest position when machine was switched on.
Switch off the machine, return the sensor to the correct position and switch
back on. If the error persists, call in the technical support centre.
96
– e – e
rror Messages
button.
Operator's manual MT 3100 - MT3200
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