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2016-07-22
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38 | Start Line WBE 260 | Faults
en
11. Faults
!
If the error message persists, contact customer service.
i
Other possible malfunctions are primarily of a technical nature and are to be checked and if necessary recti-
fied by a qualified engineer. Please always contact the Customer Service of the dealer authorized to trade in
Bosch-workshop equipment.
i
For rapid assistance it is important to quote the details on the rating plate (label on WBE 260) and the nature
of the problem when calling.
Fault
Cause
Remedy
No display when powering up
R
Fuse defective
R
Switch defective
R
Changing the fuse
R
Replace switch
"Err1" appears on screen display
Press START key and keep it held down
Contact customer service
"Err2" appears on screen display
R
No wheel installed in machine
R
Mount flange and check lead screw for back-
lash.
R
Wheel incorrectly installed and not secured.
R
Motor belt too loose or too tight
R
Clamp tire and try once again
R
Reinstall flange
R
Reinstall the wheel according to 6.1
"Err3" appears on screen display
Imbalance value of tire is too high
To check, replace wheel and, if necessary,
perform a self check.
"Err4" appears on screen display
Position sensor error
Contact customer service
"Err5" appears on screen display
Wheel-guard hood not closed
Close wheel-guard hood
"Err7" appears on screen display
Stored data missing
Enter memory values and repeat self-calibra-
tion
Only 00-00 is displayed. No other
value.
R
Sensor head wire is broken or has a loose
contact
R
Stored data missing
Contact customer service
Every rotational value range has
been exceeded
R
The tire is dirty or the center contact surface
on the rim is distorted
R
The sensor head has become damp
R
The quick locking nut is not securely mount-
ed
R
Power supply is too weak
R
Tire pressure is too low
R
Machine not fixed
R
Replace wheel
R
Reset sensor head
R
Use stable power supply
R
Inflate tire to correct pressure.
R
Secure machine to a flat concrete floor
with an expansion bolt.
Powers down within 10 seconds.
R
Power supply connection is loose
R
Fault
R
Check power connector
R
Restart after powering down
The imbalance value is not correct.
Faults on left and right and very dif-
ficult to achieve imbalance of 00.
R
Sensor head defective
R
Program error
R
Repeat self-calibration
Does not brake as soon as value is
displayed
R
Brake system defective
R
External fault
R
Restart the machine
Second imbalance value exceeds 10 g.
R
Inside of rim hole not regular.
R
Lead screw incorrectly installed.
R
To check, replace wheel
R
Reinstall flange (see Chapter 5.1)
Self-calibration shows "Err8"
R
No 100 g self-calibration weight
R
Power wire on pressure sensor is broken
R
Computer PCB is defective
R
Power supply PCB is defective
R
Add 100 g weights
R
Check cable and connect it securely
100 g is displayed as an error value
R
Stored parameter is impaired.
R
Tire error value is too high
R
Key in data again from label inside ma-
chine.
R
To check, replace wheel