Santerno SMART STRING BOX LT Guía Rápida página 8

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Adequate maintenance ensures performance and reliability of the product is maintained over time.
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Access to products for the purpose of maintenance, modifications and management involves observing the
applicable health and safety rules. Make sure that the product is in safety conditions before operating.

Maintenance tasks may involve stopping the inverter. When maintenance is completed, start the inverter
again by pressing the START button.
Maintenance tasks
Box visual inspection and cleaning
Check the state of connectors
Check the state of cable glands and tubing junctions
Check the state of fuses
Check the state of the disconnector
Check SPDs
Check that cables and bars are securely tightened
Check the condition of nameplate and warning signs
CAUTION
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Carry out the "PRELIMINARY SAFETY OPERATIONS".
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Remove the polycarbonate panel and make sure that no voltage is applied between 230 V auxiliary voltage
terminals and between the output negative pole and the positive pole.
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Disconnect 230 V auxiliary power supply conductors;
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Disconnect the output conductors;
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Disconnect any other conductor connected to the product, including the environmental measurement
conductors and the RS-485 comms conductors;
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Mechanically uninstall the product.
DANGER
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Troubleshooting is detailed in the Installation Guide available for download from

Should it be necessary to contact Elettronica Santerno's CUSTOMER SERVICE, please provide the
following: product model, Serial Number, date of commissioning, confirmation of order.

It is advisable to recover the following information from the product memory: number of operating hours
and fault list (please refer to the "Programming Guide").
MAINTENANCE
Equipment installed in an environment where there is a high concentration of
dust requires more frequent maintenance than generally indicated.
UNINSTALLING THE PRODUCT
If the product that has been disinstalled is not immediately replaced, place all
the conductors disconnected during disintallation in safety before restoring the
correct operation of the plant section concerned.
TROUBLESHOOTING
Recommended frequency
6 months
12 months
12 months
12 months
12 months
12 months
12 months
24 months
santerno.com.