Corghi PW IW 6 Manual De Uso página 36

Detached wire
➥ Wire presence sensor faulty
Cut wire
➥ Replace complete sensor cable.
Stop button not working
➥ Check the cables and replace the button if necessary
A wire has been disconnected from the plug or from the motor
➥ Check and reconnect.
A fuse has blown
➥ Replace the electrical system fuse (1 fig.16) with another of the correct rating.
Circuit board faulty
➥ Replace the circuit board (2 fig.16) (remember to disconnect the power supply to the ma-
chine).
Frequency changer has cut out due to power overload
➥ Check whether it works when the speed is decreased. Then check for jammed mechanical parts
which might be causing the overload. In all cases, contact the After-Sales Service for repair or
replacement of the faulty part (3 fig.17).
Motor cut out
➥ If it overheats the motor is hot to the touch; check the causes of the overheating.
Start button not working
➥ Check the wires and replace the button if necessary.
The switch (4 fig.10) is broken.
➥ Replace
Faulty contact in a high voltage power cable, plug or socket
➥ Disconnect the high voltage plug and connect the cables one at a time, in order to discover the
faulty contact.
The overload cutout (7 fig. 10) trips
➥ Check for short circuits on the machine's electrical system or the motors.
➥ Check the kW available and the kW required; by reducing the speed will show whether this is
the cause of the fault.
➥ The switch (4 fig.7) is faulty.
Faulty contact in section power supply cable (1 fig.16) (when all the heads of a single section
do not work)
➥ Replace
Faulty contact in frequency changer power supply cable (4 fig.17) or circuit board (3fig. 16)
frequency changer connection cable.
➥ Replace
36
THE MOTOR DOES NOT STOP
ONE HEAD DOES NOT WORK
NONE OF THE HEADS WORKS
Some heads do not work
PW IW 6" 8" 10" operator's manual