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Related Manuals for Corghi EM 9050
Summary of Contents for Corghi EM 9050
- Page 1 EM 9050 Code 4-137818 - 03/2021 English Technical assistance manual...
- Page 2 diritti di traduzione, di memorizzazione elettronica, di riproduzione e di adattamento totale o parziale con qualsiasi Italian mezzo (compresi microfilm e copie fotostatiche) sono riservati. Le informazioni contenute in questo manuale sono soggette a variazioni senza preavviso. ll rights reserved. No part of this publication may be translated, stored in an electronic retrieval system, English reproduced, or partially or totally adapted by any means...
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Page 3: Table Of Contents
TRANSLATION OF THE ORIGINAL ITALIAN INSTRUCTIONS CONTENTS 1. DISPLAY MESSAGES ................. 4 2. TROUBLESHOOTING ................6 3. SOFTWARE CONFIGURATION SUMMARY TABLE ......... 9 4. SERVICE PROGRAMMES 1 ............... 9 5. SERVICE PROGRAMMES 2 ..............13 6. ELECTRICAL BOX BOARDS ..............16 7. -
Page 4: Display Messages
1. DISPLAY MESSAGES Error messages – E – The machine can recognise a certain number Sensitivity calibration missing. of particular conditions and reports them to Perform sensitivity calibration the user by showing relevant messages on the procedure. display. • The main board was replaced. Perform the sensitivity calibration procedure. -
Page 5: Other Messages
indicated in the third calibration spin. reading phase. Repeat the spin This value must be lower than 5g on the The wheel balancer performs checks internal sidewall and 100g +/-5g on the on the interferences; this error is external sidewall. displayed if the machine is subject to When the error “E 3”... -
Page 6: Troubleshooting
- if any short circuit is present on peripheral 2. TROUBLESHOOTING devices. The wheel balancer features autotest and - that the wiring of the internal sensor cables self-diagnosis programmes that provide is correct, i.e.: connector J20 for internal information about most of the possible faults diameter detector cable... - Page 7 breaker closed with correct spin pressing them; PIN1 – PIN2 voltage of about 3VDC i.e. • perform a fine tightening of the two nuts thermal circuit breaker open with spin NOT in such a way that the keys are in contact performed and error “E 16”...
- Page 8 between the wheel and the support flange If the fault persists, replace the search board. during the spin phase. If even in this way the defect does not - To check this condition, make two reference disappear, replace the main board. marks with a chalk, one on the flange and one on the wheel, perfectly aligned.
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Page 9: Software Configuration Summary Table
The spin device is noisy and/or the 4. SERVICE PROGRAMMES 1 rubber roller is sliding on the pulley. The purpose of these programmes is to make certain data available in order to check the Check in sequence: different machine parts in a simple and quick - that the motor is powered when it is manner. - Page 10 4.4 95 Displaying the phase Important Pressing the key changes the setting shown calibration coefficient by the display where the centred position The programme selection determines the indicators are on. To transfer the control from displaying: one display to the other, press any of the two •...
- Page 11 clearly, the displayed data refer to the last spin performed. • Subsequent spins can be performed while remaining within the programme. • To quit the programme press “ESC”. The programme is used to check that the displayed values fall within the required ranges, i.e.: Check Range...
- Page 12 wheel spin within the functional programme 97, checking that the two displays show two identical numerical values. To quit the programme press “ESC”. The programme is used to check the efficiency of the search board. Turn the shaft in the two directions, the count must be updated constantly from 0 to 511.
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Page 13: Service Programmes 2
4.8 99 Setting the spin at a set • the swinging unit has been replaced; • the internal sensor had to be removed due to speed. the replacement of the diameter sensor. The programme selection determines the displaying of the set default speed value (98 The internal sensor calibration procedure is the rpm). - Page 14 • Press the “enter” key to perform the diameter - enter the wheel size. calibration; - “GrP” on the left display, “0” on the right • Move the lever of the internal sensor so it rests display; against the swinging unit flange, as shown in - perform a spin;...
- Page 15 5.5 Enabling the sensitivity 5.6 Selection of the type of dimension calibration with wheel (SLG on) measurement unit displayed (diM -b-) press the "menu/enter" key to change the setting: press the "menu/enter" key to change the setting: - diM -b-: dimension measurement unit...
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Page 16: Electrical Box Boards
6. ELECTRICAL BOX BOARDS Fig.5 6.1 CPU board “MBE401” This CPU board allows the wheel balancer to be powered with a single-phase AC mains voltage variable from 100÷240 Volts +/- 10% (W,fig.5). During the correct operation of the board, the following LEDs must be on: - LD10 steady on in green. -
Page 17: Main Board Hardware Configuration
9. E2PROM MEMORY RESET PROGRAMME (t4) To perform the E2PROM calibration parameter reset test t4, proceed as follows: - With the machine off, set the dip switch (H, figure 5), which is essential to access the diagnostic mode, i.e.: MBE401: SW1 DSW2 to ON; - Turn on the wheel balancer. - Page 18 on the rear side of the body, f. Press and hold the key (7), g. Turn the machine on while still holding the key (7) down, h. The display shows: Indicating that the programming is in progress i. Release the key (7), j.
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Page 19: Internal Sensor
Err F 2 Memory deletion repeat the operation described in paragraph 1.f correctly performed or 2.f of the concerned instructions. If the error persists there is a fault in the microprocessor: replace the MBE401 board Err F 3 Memory programming repeat the operation described in paragraph 1.f correctly performed or 2.f of the concerned instructions. -
Page 20: Pick-Up Replacement And Adjustment
- check that the sensor reading is correct, as If the zero sensor must be replaced, proceed as previously indicated. described in paragraph “Distance sensor”. In fact, the zero sensor is fitted on the distance sensor of the board. Note: - should it be necessary to replace sensor A flat cable, check that such flat cable is correctly reconnected on the board. -
Page 21: Replacing The Full Swinging Unit
Fig.9 14. REPLACING THE FULL SWINGING UNIT After making sure that the unit is actually causing the machine faults, replace it as indicated below. - Remove the weight holder cover; - Disconnect the motor power cable from the main board; - fully unscrew the 2 screws tightening the pick-up pre-load springs (A fig.9);... -
Page 22: Spin And Braking Device
15. SPIN AND BRAKING connected to the main board. Braking DEVICE - the end stop for the braking operations is the shaped metal sheet itself (C, Fig.13), which is 15.1 Motor replacement fitted by means of two screws (D, Fig.13) in a fixed position on the box. -
Page 23: General Electrical Installation Diagram
GENERAL ELECTRICAL INSTALLATION DIAGRAM Main board (CPU) Search board Internal pick-up External pick-up Diameter measuring sensor Distance measuring sensor Fuse Motor Main switch 12V power supply switch Motor microswitch START microswitch 12V power supply connector Mains voltage power socket Technical assistance manual... - Page 24 Technical assistance manual...
- Page 25 Technical assistance manual...
- Page 26 Notes Technical assistance manual...
- Page 27 Notes Technical assistance manual...
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