Weinig Profimat 23 E - Electrical Faults

Tech. Dok. / L23 880 02 / 05.99.01 © MICHAEL WEINIG AG
Troubleshooting
7-9Profimat 23 E
Electrical faults
1)
The protection switches are located in the
control cabinet
Possible cause
a) No voltage on power supply
b) Master switch not turned on
a) Undervoltage release tripped
b) Door contact switch not pressed
a) Emergency stop has been pressed
b) Control voltage has been
switched off
c) Fuse on control transformer
defective
d) Brake released
e) Motor protecting switch
1)
tripped
f) Overcurrent relay tripped
g) Protecting switch
1)
for control voltage
tripped
a) Limit switch at infeed end of machine
in depressed condition
b) Guards at front not closed or limit
switch defective
c) Brake released
d) Spindles not in use have not been
de-selected (option, keylock switch)
e) Manual mode / open hood selected
a) Master switch has been switched off
b) Fuse on control transformer defective
c) Protecting switch
1)
for brake voltage
tripped
Remedy
a) Check mains fuses
b) Turn on master switch
a) Mains voltage too low or at least one
phase missing
b) Close control cabinet door properly
a) Reset emergency stop by pulling
button out
b) Switch control voltage on
c) Replace fuse
d) Apply brake
e) Switch protective motor switch
1)
on
f) Allow machine to cool down, relay will
come on automatically after a
few minutes
g) Switch protective switch
1)
on
a) Check limit switch
b) Close enclosure or check limit switch
c) Apply brake
d) De-select spindles not in use
e) Select Automatic mode / close hood and
close the hood
a) Switch master switch on
b) Replace fuse
c) Switch protective switch
1)
on
No.
1
2
3
4
5
Fault
Machine will not
switch on
Master switch cannot
be turned on
None of the motors
will switch on
Continuous feed will
not switch on
Brake cannot be
released
USA
CDN
CDN
USA
CDN
USA
CDN USA