EM 9250
Operator’s manual
125
UK
checking that the ultrasonic sensor's emitter/receiver is in line with the calibration template
(see figure 27), and repeat the procedure;
- the internal sensor was not in the rest position. Position it to the rest position and repeat
the procedure.
By selecting the key
it is possible to exit the programme without executing the
calibration.
18. EXTERNAL MECHANICAL SENSOR
CALIBRATION (IF INSTALLED)
This programme is used to calibrate the width sensor potentiometer. It must be performed
when the machine requests it by displaying the E4 message, or when the measured and the
actual rim widths differ.
Proceed as follows to recall this programme:
• press the
key
• use the
keys to search for GAU CAL
• press the
key to perform calibration,
proceeding as follows:
1. The machine will display the following message:
• CAL on the left display
• E flashing on the right display
2. Bring the automatic sensor arm into contact with
the wheel contact flange as shown in Fig.28.
3. Press the key
to confirm the sensor
position.
4. Return the arm to the rest position
Notes:
If the calibration has been carried out successfully, a confirmation message will be displayed.
If the A20 message is displayed, the sensor position in the calibration phase is not correct.
Position it correctly, as already described, and repeat the procedure.
- Pressing the key
, it is possible to interrupt the programme at any time.
28