Diagnostics, English – CEMB USA C73-L SE (B) User Manual
Page 24
24
Use and maintenance manual Rev. 09-2009
ENGLISH
WARNING
T
HE
INFORMATION
IN
THE
POSSIBLE REMEDY
COLUMN
REQUIRES
WORK
TO
BE
PERFORMED
BY
SPECIALIST
TECHNICIANS
OR
OTHER
AUTHOR
-
ISED
PEOPLE
WHO
MUST
ALWAYS
WORK
USING
THE
P
ERSONAL
P
ROTECTIVE
E
QUIPMENT
INDICATED
IN
THE
INSTALLATION
MANUAL
. I
N
SOME
CASES
,
THIS
WORK
CAN
BE
PERFORMED
BY
A
NORMAL
OPERATOR
.
ERRORS
CAUSES
CONTROLS
Black
The wheel balancer does not switch on.
1.
Verify correct connection to the mains.
2.
Verify and eventually replace the fuses on the power card.
3.
Verify monitor function.
4.
Replace the computer board.
Err. 1
No rotation signal.
1.
Check in self-diagnostics that the encoder functions properly
.
2.
Replace the phase pick-up board.
3.
Replace the computer board.
Err. 2
Speed too low during detection.
During unbalance measurement rotation,
wheel speed is less than 42 rpm.
1.
Make sure that a vehicle wheel is mounted on the wheel balancer.
2.
Check in self-diagnostics that the encoder functions properly
3. Disconnect the piezo connectors from the board and do a spin
(if no error is detected, replace the piezo sensors).
4.
Replace the computer board.
Err. 3
Unbalance too high.
1.
Verify wheel dimension settings.
2.
Check detection unit connections.
3.
Perform machine calibration.
4.
Mount a wheel with more or less known unbalance (less than 100
grammes) and verify the response of the machine.
5.
Replace the computer board.
Err. 4
Rotation in opposite direction.
After pressing [START], the wheel
starts turning in the opposite direction
(anticlockwise).
1.
Check in self-diagnostics that the encoder functions properly
2. Check the bearing/spring of the phase generator
Err. 5
Guard open
The [START] pushbutton was pressed
without fi rst closing the guard.
1.
Reset the error by pressing pushbutton [7]=End.
2.
Close the guard.
3.
Verify the function of the protection uSwitch.
4.
Press the [START] pushbutton.
Err. 7 /
Err. 8
NOVRAM parameter read error
1.
Repeat machine calibration
2.
Shut down the machine.
3.
Wait for a minimum time of ~ 1 Min.
4.
Re-start the machine and verify correct operation.
5.
Replace the computer board.
Err. 9
NOVRAM parameter write error.
Replace the computer board.
Err. 11
Speed too high error.
During unbalance measurement rotation,
wheel speed is more than 270 rpm.
1.
Check if there is any damage or dirt on the timing disc.
2.
Check in self-diagnostics that the encoder functions properly
.
3.
Replace the computer board.
Err. 12
Unbalance measuring cycle error.
1.
Verify phase pick-up board function.
2.
Verify correct motor operation.
3.
Replace the computer board.
Err.13/
Err.14/
Err.15/
Err.16/
Err.17/
Err.18
Unbalance measurement error.
1.
Check in self-diagnostics that the encoder functions properly
2.
Check detection unit connections.
3.
Verify machine earth/ground connection.
4.
Mount a wheel with more or less known unbalance (less than 100
grammes) and verify the response of the machine.
5.
Replace the computer board.
Diagnostics
9. Diagnostics