1S9STOEN_26-5-17_ADL300_STO_STO Pag. 23/30
6.2 Maintenance
Expected operation life-time of the system is 20 year or 10milion operations. After one of the two
parameters is exceeded drive should be returned to manufacturer.
Any malfunctions/failures shall summon users/assisting personnel to immediately inform
assistance and take proper actions to fix the problem.
Periodic maintenance is not necessary nor scheduled.
6.3 Operational tests
Qualified personnel shall periodically verify the drive unit as black-box unit. Assisting personnel
shall verify the input-output tables with respect to what is above specified. Periodic test will verify:
• Motor torque is deactivated when either
ENABLE or SAFETY ENABLE are activated
• Feedback signal are properly controlled as functions of
ENABLE/SAFETY ENABLE inputs.
Periodic test shall be performed at least once a YEAR.
6.4 Troubleshooting
Following is a troubleshooting table to be used in case of not proper functioning or doubts about
safety functionality.
Drive is powered but does not work
Electrical level missing or inverted
Check ENABLE signal, for basic
version contacts 9=+24vDC,
Electrical level missing or inverted
onto SAFETY ENABLE
Check SAFETY connector, contacts
1=+24vDC, 2=COM
Check for Safety Failure Alarm. In
case of assertion contact Gefran
Drive has not been properly
connected.
Check ADL300 conFiguretion. See
ADL300 user manual.
Regulation Feedback signal (drive
OK) does not change status
Drive has not been properly
Check ENABLE signal, for basic
version contacts 9=+24vDC,
Safety feedback signal (SAFETY OK)
does not change status
Safety Enable signal does not
activate SAFETY circuits
Check electrical level and current
capability of SAFETY ENABLE signal.
Safety feedback signal (SAFETY OK)
does not change status according to
Safety part might have failed
Qualified personnel might assess
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