Presto CONTI COMPACT CC-20 V Operating Manual page 73

9. What to do in case of faults
No.: Message:
8034 Error in the needle down
function
8035 Error in the threading
function
8036 Error in the wire twisting
function
8037 Error in twisting, cutting
the wire:
Cause:
This error message appears if: The "needle
down" valve is switched on for longer
than 8 seconds without interruption in
automated operation. The PLC attempts
to remove the blockages by briefly moving
back automatically and then forward
again. If this is not successful even at the
4th attempt, this message appears .
Causes:
‐ Needle channel clogged
‐ Lower wire jammed
‐ Proximity switch defect/
wrongly set
‐ Joint thrust needle defect
This error message appears if: During the
binding operation the threading position
is not reached within 10 seconds .
Causes:
‐ Contamination (old knots) in the
twist wheel area
‐ Twist wheel slots not aligned
with the needle guide, wires jam
between chain and wheel
‐ Twist wheels in different
positions
‐ Twist impulse giver defect
This error message appears if: During the
binding operation twisting the wire is not
finished within 30 seconds.
Causes:
‐ Twist wheel slots not aligned
with the needle guide, wires jam
between chain and wheel
‐ Twist wheels in different
positions
‐ Twist impulse giver defect
This error message appears if: During the
binding operation cutting the wire is not
finished within 15 seconds.
Causes:
‐ Cutting edges on the twist
wheel worn out
‐ Twist impulse giver defect
‐ Pressure too low
04/2015 S. 73
Remedy:
Clean needle channel
Release lower wire
Clean proximity switch
Change if necessary
Change
joint thrust needle
Release jammed wired and
clean chaindrive & twist
wheel
Check twist wheel setting.
Correct by adjusting the
switching tongue at the
twist impulse giver
Renew chain
Change proximity switch
and signaller
Check twist wheel setting.
Correct by adjusting the
switching tongue at the
twist impulse giver
Renew chain
Change proximity switch
and signaller
Change knotting machine
Change signaller
Check hydraulic
Resp. person
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