Version 1.0
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SAV 876.17
9 APPENDIX
Errors in the environment or operating errors
Appearance
Error cause
Measures for
Error localisation
error elimination
Comment
Demagnetising dura-
tion too long
Demagnetising level not set
correctly
Check value as per opera-
ting instructions
Correct value as per opera-
ting instructions or correct
after demagnetising test
Contact service if
necessary
Red illuminated push button
defective
Visual check
Establish impulse duration
...... s
No mains voltage
Check power supply
Re-establish power supply
Fuse protection too weak
Check mains fuse
Correct fuse protection as
per specified connected
values
Fuse protection too quick
Check mains fuse
Use medium-inertia fuse
Cable cross-section of mains
supply line too weak or cable
length > 15 – 20 m
Check cable cross-section
as described in the opera-
ting instructions
Install cable with correspon-
ding cross-section
Demagnetising not
completed
Magnet connecting cable
+/- swapped
Check po/- check
terminal
Change terminal assi-
gnment
for 243.74,
243.77, 243.79
Terminal assignment incorrect
with NC actuation
Check terminal assignment
as per circuit diagram
Change terminal assi-
gnment
Continuous power application
of EP magnet system due to
incorrect polarity reversal
control unit
Check control unit
assignment
Replace controller/send to
SAV for testing and repair
Magnet voltage does not
match the polarity reversal
control unit
Check control unit
assignment
Replace controller/send to
SAV for testing and repair
“Clamping/re-
leasing” function
swapped
Dry processing
Check chip disposal
Optimise chip disposal, use
cooling lubricants
Continuous power application
of EP magnet system due to
incorrect polarity reversal
control unit
Check control unit
assignment
Replace controller/send to
SAV for testing and repair
Excess heating of the
controller
Magnet voltage does not
match the polarity reversal
control unit
Check control unit
assignment
Replace controller/send to
SAV for testing and repair
Excess heating of the
magnet system
Magnet voltage does not
match the polarity reversal
control unit
Check control unit
assignment
Replace controller/send to
SAV for testing and repair
Cycle time too short
Check application
Set cycle times to the mini-
mum permissible cycle time
Contact service
if necessary
Содержание SAV 876.17
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