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48 | FWA 4630 | Maintenance
6 .4 .6
Evaluation of measurement sheet for checking sensors
Column
Line
1 and 2
1 and 2
3 to 6
Compare the following:
1 with 2
3
3 with 6
4 with 5
4
3
6 .5
Fault or information messages
6 .5 .1
Faults
Description / message
Possible cause
"No reference values."
Obstruction between the reference cameras.
"Measurement path
Obstacle between camera and board.
interrupted"
"No reference values or ref-
Obstruction between the reference
erence values not stable."
cameras or no stable reference val-
ues due for example to vibration.
Fault message "Net-
No connection between Ethernet switch and PC.
work fault".
No connection between Power LAN and sensor.
"Problem with data trans-
Search for new communication paths
mission to sensor" dis-
for data transmission to sensors.
played briefly on monitor.
"Measurement box not
Re-establishment of connection to
accessible" briefly dis-
communication processor.
played on monitor.
"Measurement box not ac-
No connection between comput-
cessible" constantly dis-
er and communication processor.
played on monitor.
Program crash.
Communication processor defective.
Fault message "Sensor in-
Incorrect assignment of sensors
correctly assigned"
"Run-out compensa-
Vehicle movement was too brief.
tion not successful (roll-
ing distance too short)."
|
1 690 706 005
2011-05-11
Action
If the signs are different, subtract the lower measured value from the higher value and enter the result in
column 3. Enter the sign of the higher value in column 3.
If the signs are the same, add the measured values together and enter the result with sign in column 3.
If the signs are the same, subtract the low measured value from the high value and enter the result in
column 3. If the higher measured value is in column 1, the sign is adopted. If the higher measured value is
in column 2, the sign changes.
If the signs are different, add the measured values together and enter the result in column 3. Enter the
sign from column 1 in column 3.
If the signs are different, add the measured values together and enter the result in column 4.
If the signs are the same, subtract the lower measured value from the higher value and enter the result in
column 4.
If the signs are different, subtract the lower measured value from the higher value and enter the result in
column 4.
If the signs are the same, add the measured values together and enter the result in column 4.
The values in column 4 should not be higher than 3'. If they are, measurement errors have been made, e.g.
changes to vehicle or quick-action clamps.
The measurement must be repeated.
The measured values in column 3 must not be higher than 6'. In the event of a greater difference, the unit
must be re-adjusted. The Service department should then be consulted.
Remedy / action
Make sure there is no obstruction be-
tween the reference cameras.
Remove obstruction.
Shut down the PC, disconnect the FWA 4630 from the
mains for 10 seconds and start up the PC again.
Make sure there is no obstruction between the reference
cameras. Make sure the sensors/lifting platform are nei-
ther moving nor vibrating. Switch off the vehicle engine if ap-
plicable to avoid vibration at the platform or sensors.
Check cable connection.
Re-start wheel alignment unit.
Ignore the fault message.
Ignore the fault message.
Check wiring between computer and communication processor.
Shut down the PC, disconnect the FWA 4630 from the
mains for 10 seconds and start up the PC again.
Inform customer service.
Terminate Aligner, select <Configuration of sensors> un-
der <Easy3D Server> and perform assignment.
Repeat run-out compensation. Ensure a roll-
ing distance of at least 60°.
Robert Bosch GmbH
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