47
TRANSLATION OF THE ORIGINAL INSTRUCTIONS (Keep for future reference)
Document Code
Rev.
Date saved
Date printed
T300 - T350 - T400 ISTRUZIONI
01
14/07/2016
14/07/2016
EN
6. TROUBLESHOOTING AND RELEASE OF MOVING PARTS
;! !!!!!
!! !!!\
The following section describes operations for troubleshooting and releasing moving parts that can be performed by maintenance
technicians.
Before performing any work or investigations:
1. Install a sign indicating that maintenance is in progress on the machine
2. Make sure that the upline and downline connected machines do not constitute a source of danger or an impediment to the
maintenance work; switch off said machines using the designated procedures.
\ & !!! !\
^\ @!!\
\ >!!! !\
`\ #!!k
cause of the stoppage.
PROBLEM / FAULT
POSSIBLE
CAUSE/S
METHODS AND ANCILLARY NOTES
The control panel appears dead
- No power supply
- The auxiliary circuits aren't powered
- Check the three-phase power line at
source;
- Make sure the main power switch is
turned to 1 (ON);
- Check the fuses in the electrical cabinet;
The control panel is on but the machine
won't start.
- No compressed air supply to the machine
j,
- low air pressure
-Check the delivery of compressed air from
the compressor and the relative pressure;
- Activate the release button on the main
j
between 5 - 7 bar;
- Make sure the line pressure switch is
working properly. "
The control panel is on but the machine
won't start.
- Safety device activated;
- Emergency stop button pressed;
- No compressed air presence signal;
- Motors circuit breaker tripped;
- STOP button disabled.
- make sure the front door is closed
properly;
- make sure the rear door is closed
properly;
- release and check correct operation of
the emergency stop button;
- check the pressure switch and compressed
air presence;
- check to see if thermal overload relays
have tripped;
- check operation of the stop button;"
The control panel is on, no safety device
is active but the machine won't start.
- START button disabled.
- check operation of the "start" button.
When the START button is pressed,
$")*%$*"$!%%\$$"\*#+
don't work.
- Power is not reaching the motors;
- check/replace the safety fuses.
The blades turn but after a few cycles
the machine shuts down.
j;
- motor/s overload;
- safety device intervention."
- check compressed air consumption and
pressure;
- check the blade descent speed based on
the hardness of the material being cut;
- make sure the doors are closed properly."
The machine stops after just a few
!$$!(!*#+$"%$%#=(
hot
- One of the phases powering the motors
is missing;
- circuit breaker tripped;
- brake malfunction
- Make sure all three phases of the power
supply line are present;
- check the fuses;
- check for any breaks in electromechanical
component contacts in the electrical
cabinet; - check the power supply to the
brake;
j!B
" \*#+ $%)) $ '!+
seconds
- the brake is not working properly;
- worn brake pad".
- adjust the brake;
- replace the brake"
