Service manual

Revised 03/2006
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2-5
SYMPTOM POSSIBLE CAUSE
PROBABLE SOLUTION
S-311
3 . T H E E L E C T R O N I C S Y S T E M E R R O R M E S S A G E S
If an error message appears on the display (see picture ), press it. The screen with a description and
a correction of an error message appears on the display (see picture ).
SYMPTOM
POSSIBLE CAUSE
PROBABLE SOLUTION
Axes arenot home
Press button to bring the
machinetothehome position
TROUBLESHOOTING


EmergencyStopbutton
Servicemode
Sew motorerror
ACLerror
R axiserror
Yaxis error
X axis error
Lowvoltage(ifthereistherelay
VC1)
Thecuttingleverisnothome.
Lowairpressure.Air pressureis
below 3,5 bar
Needleisnotin the upper position
and the marks on the handwheel
and thecoverarenot aligned.
Release the EmergencyStopbutton
Press and releasethe Emergency
stop buttonand then button
Checkthe frequencyinverter
Press button
Press button
Press button
Press button
Check thepower supply, voltage.
Check BQ7 sensor and the air
supply
Check theairsupply
Turn the handwheeltoalign marks.
Ensure theneedleisintheleft
position
Not saved
Press button