Loepfe YarnMaster PRISMA - Page 41

Troubleshooting
YarnMaster PRISMA
www.loepfe.com 41
Contact Loepfe Support
Display LZE Messages Cause Measures
AL 40
F-sensor activated,
but F-sensor not
detected.
Measuring field F sensor acti-
vated, but not configured in
Flash or CPLD
- Change the settings of the TC
type of the group
- Replace TK
AL 41
P-sensor activated,
but P-sensor not
detected.
Measuring field P-sensor acti-
vated, but not configured in
Flash or CPLD or loose contact
plug from P-sensor
- Change the settings of the TC
type of the group
- Replace TK
AL 42
Sensing head tem-
perature above
temperature thresh-
old.
Threshold exceeded, tempera-
ture > 85 °C from I²C tempera-
ture sensor
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
AL 43
I²C blocked Fatal error on internal I²C serial
data bus
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
AL 44
DRV knife reel
failed
Digital input signal of the knife
reel missing, > 200 ms
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
AL 45
Sensing head in-
compatible
At least one TC hardware com-
ponent with installed firmware
not compatible
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
AL 46
Knife not available Knife available but not config-
ured in Flash or CPLD or loose
contact connector from knife
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
Contact OEM or Loepfe Support
Display LZE Messages Cause Measures
AL 50
DRV knife power
supply failed.
Threshold exceeded, power
supply for knife > 200 ms (toler-
ance 10 %)
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
AL 51
DRV external volt-
age supply failed.
Limit value exceeded, power
supply 5 V for > 5 consecutive
samples (tolerance 5 %)
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
AL 52
NTP signal check
failed
> 10 s NTP pulse not detected
during yarn run
- Reset alarm >5 s TK Press re-
set test button
- Replace TK
AL 53
Spindle does not
respond
After a cut, the spindle does not
respond for 15 s
- Reset alarm >5 s TK Press re-
set test button
- Replace TK