17
TROUBLESHOOTING
Danger due to electrical voltage!
Handling the machine with connected power supply may result in serious injury or death.
Always disconnect the machine from the power supply before maintenance
Many possible sources of error can be eliminated in advance if the machine is properly connected to the
mains. If you are unable to carry out the necessary repairs properly and/or do not have the required training,
always consult a specialist to solve the problem.
Trouble
Machine does not run
Motor protection switch is
blowing continuously
Machine does not run alt-
hough the foot pedal is
actuated
Emergency stop does not
work
Machine produces un-
usual noises
Machine leaking oil
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www.zipper-maschinen.at
WAR N I N G
or repair work and secure it against unintentional reconnection.
Possible cause
•
Missing phase in the power supply
system
•
The emergency stop switch might be
pressed
•
Motor protection switch might be
blown
Control panel cover may be open, or
•
not fully closed
Motor defective
•
•
Rebar bars are bent beyond the
bending capacity of the machine
•
Missing phase in the power supply
system
•
Transformer might be burnt
•
Short circuit
Cables are worn
•
Mains plug not plugged in
•
Foot pedal switch might be out of or-
•
der
Switch / contactor defective
•
Contact of the emergency stop
•
switch might be out of order
Cable connections might be un-
•
plugged
Bearings defective
•
•
Motor propeller cap may rub
Gears damaged
•
•
No gearbox oil in the gearbox
•
Missing phase in the power supply
system
Machine might have difficulties
•
when operated outside its technical
limits
•
The brake of machines with electro-
magnetic braking system may not
work properly or the brake lining
may be damaged and worn.
•
Motor seal might be leaking oil
Gearbox connection bolts might be
•
loose
TROUBLESHOOTING
Solution
•
Check the phases of the power supply
system
•
Check emergency stop switch. If acti-
vated, turn it in direction of the arrow
•
Check the motor protection switch. If
in position (0), then set to position (1)
Check whether the cover is completely
•
closed, close it if required
Contact the service team
•
•
Check the processed rebar bars for
their material properties at the type
plate
•
Check the phases of the power supply
system
•
Contact the service team
•
Contact the service team
Check cables and connections
•
Connect the mains plug to the power
•
supply
Contact the service team
•
Contact the service team
•
Contact the service team
•
Contact the service team
•
Contact the service team
•
•
Check motor cover for correct installa-
tion
Contact the service team
•
•
Check oil level, top up gearbox oil if
necessary
•
Check the phases of the power supply
system
Check the processed rebar bars for
•
their material properties at the type
plate
•
Contact the service team
•
Check the motor from the propeller
side. If oil is leaking change the motor
seal.
Tighten any bolts that have been loos-
•
ened
34
ZI-RBMA1500