TRANSLATION OF THE ORIGINAL INSTRUCTIONS (Keep for future reference)
Codice Documento
Rev.
Data di salvataggio
Data di stampa
U500 - U600 ISTRUZIONI
02
04/11/2015
04/11/2015
EN
68
6.
TROUBLESHOOTING AND RELEASE OF MOVING PARTS
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(also by pressing one of the emergency stop pushbuttons if present) and then inform the persons in charge of maintenance, if he has not
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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.
3. Before restarting the machine, make sure there are no personnel still performing cleaning and /or maintenance operations on it.
4. For electrical checks and minor repairs have the work performed exclusively by professional licensed electricians and/or electro-
technicians with all the necessary authorisations.
5. For mechanical repair work, always seek the assistance of the manufacturer.
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of the stoppage.
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All information devices (visual, audible) aimed at avoiding potential ergonomic hazards, with the relative explanations and the type of
information the operator/s will receive are described in chapters 3 and 4.
Depending on the type of information, action must be taken to eliminate the cause that led to/generated the visual or audible alarm signal.
The PROBLEMS OR FAULTS which could lead to a MACHINE STOPPAGE are:
PROBLEM /
FAULT
Power loss
Interruption of
production
The machine fails to
operate
| ~
General blackout.
Tripping of the short circuit
protection device or any
other device upline of
the electrical equipment
power supply circuit
Activation of an emergency
stop device or a safety device
Tripping of a protection
device inside the electrical
enclosure.
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Power loss.
Disconnecting devices set
to “OFF”.
One or more emergency/
s a f e t y s y s t e m s h a s
tripped.
Fuses blown or circuit
breakers not working.
METHODS AND ANCILLARY NOTES
Contact the electricity provider.
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the device. It is advisable to open all the protection/interruption/disconnecting
devices of the loads and then close them one at a time.
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the device. It is advisable to open all the protection/interruption/disconnecting
devices of the loads and then close them one at a time.
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the device. If fuses blow, replace them with the same model of fuse, identically
rated and with the same delay curve. It is advisable to open all the protection and
sectioning devices of the loads and then close them one at a time.
Contact the manufacturer directly.
Check and restore electrical supply.
Set sectioning devices to “ON”.
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Change blown fuses and check the status of the magnetothermal circuit breakers.
