26 ATEX-certified motor thermal protection function with PTC thermistor relays (+L513+Q971)
Maintenance
After the operation of the safety circuit has been verified at start-up, the circuit requires a
periodic proof test at least every two years.
If you change any wirings or components related to the motor thermal protection function
after the start-up, repeat the procedure given in section Start-up and acceptance test
above.
Fault tracing
For the warning and fault messages generated by the drive, see the drive firmware
manual.
For the fault indication LEDs of the PTC relays, see section PTC thermistor relays on
page 20.
For the status LEDs of the FSO module, see the FSO module user’s manual.
00 ACS880 ATEX cabinet.book Page 26 Tuesday, May 28, 2019 10:25 AM
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