Fault Indication In The Display - Pfaff 3117 Instruction Manual

Operational controls
8

Fault indication in the display

.05.04
Faults are documented via the quick control panel.
K-faults
K-faults are machine specific faults. The following readings can appear in the quick-
control-panel display:
K1
3116
KNIFE
BOBBIN
CLAMP
START
STOP
POSITION = control cam not in basic position ( S8 ).
After the fault reading BASIC, the machine runs with the reduction speed in its starting
position after being restarted with the pedal.
The fault reading BOBBIN can be anulled by pressing button T2 or machine ON / OFF.
All other fault readings can only be anulled with the machine ON / OFF switch.
Q-faults
Q-faults are motor specific faults. The following readings can appear in the display of the
quick control panel:
Q2
Q10
If other Q-faults are displayed, the motor control box should be changed.
It is also possible that these fault readings can be caused by cable breakages. This should
be checked.
8 - 6
= pedal ( S1.1 / S1.2 ).
= no autoselect.
resistance ( 470 Ohm ) in plug test INP.
= knife not in start position ( S21 ).
= bobbin is empty or wrong counter value is set.
= check switch and/or magnet valve ( S3 ).
= check plug connection, magnet valve and / or switch ( S2 ).
= machine has been stopped via Machine-Stop button ( S5 ).
= No impulses from position transmitter or impulses from position transmitter
not recognized.
= Commutation plug not inserted.
By pressing button T2 the work clamp can be raised or lowered when the
machine is in basic position.