DURKOPP ADLER 969 Classic, Service Instructions Manual

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Troubleshooting
110 Service Instructions 969 - 06.0 - 03/2019
3100 AC-RDY timeout, intermediate
circuit voltage did not reach
the defined threshold in the
specified time • Check mains voltage
• If the mains voltage is OK,
replace the control
3101 High voltage fault, mains
voltage, longer duration
>290 V • Check mains voltage
• If nominal voltage is
continuously exceeded, stabilize
it or use a generator
3102 Low voltage failure
(2
nd
threshold) (mains voltage
< 150 V AC)
• Check mains voltage
• Stabilize the mains voltage
• Use generator
3103 Low voltage warning
(1
st
threshold) (mains voltage
< 180 V AC)
• Check mains voltage
• Stabilize the mains voltage
• Use generator
3104 Pedal is not in position 0 • When switching the control on,
take your foot off the pedal
3105 U24 V short circuit • Disconnect 37-pin plug; if error
persists, replace control
• Test inputs/outputs for 24 V
short circuit
3106
U24 V (I
2
T) overload
• One or several magnets
defective
3107 Pedal not connected • Connect analog pedal
3108 Speed limited due to
insufficient mains voltage • Check mains voltage
3109 Operation lock • Check tilt sensor on machine
3150 Maintenance necessary • Lubricating the needle bar
3151 Maintenance necessary
(operation cannot continue
unless parameter
t 51 14 is
reset)
• Service is required

p. 99
.
3155 No release for sewing process • Parameter t 51 20 - t 51 33
= 25
3160 Stitch loosening device • Stitch loosening cannot be
performed
3215 Bobbin stitch counter (info
value 0 reached) • Change bobbin, set counter
value
3216 Remaining thread monitor left • Change the left bobbin
3217 Remaining thread monitor
right • Change the right bobbin
3218 Remaining thread monitor left
and right • Change the left and right bobbin
Code Possible cause Remedial action