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IW4/IW7 WB/WBV Maintenance, Error Codes
D1 0412BA1-GB04 31
Defect Code Description Remedy
33 Both proximity switches are defective
or
not properly connected to the PCB of
the test stand
Selector switch 'Driving Direction
Reverse' (optional) is set on position 0.
Fuse of phase L2 and/or L3 has blown
out.
Switch for speed switch over is set to
Position 0 (optional)
Check proximity switch to make sure switch
distance and connections have proper contact.
ATTENTION !Exit support is out of order! *)
Drive vehicle out of the rollers and set selector
switch 'Driving Direction Reverse' to position
'1' or '2' .
Switch test stand off and exchange fuses.
ATTENTION ! If the defect occurs a second
time do not operate the test stand any longer
and notify the customer service dept.
immediately!
40 Zero point adjustment is defective Re-adjust zero. While the Power-On button is
pressed the defective zero point can be re-
adjusted.
ATTENTION! Testing can be resumed after
pressing the Power-On key but the attained
measurement values will not be exact based on
the zero point deviation
41
42
Only the left-hand sensor roller is
pressed down
Only the right-hand sensor roller is
pressed down
If this defect occurs after the test stand has
been switched on :
it is highly likely that a sensor roller switch is
defective..
If this defect occurs when a vehicle drives onto
the rollers:
it is possible that the vehicle is not positioned
properly on the rollers and only one sensor
roller is pressed.
Re-position the vehicle and its axles and press
the Power-On key or the * key on the remote
control.
ATTENTION! Use extreme caution when
doing this! Customer service should be notified
immediately when sensor roller defects occur!