Maintenance vacon • 39
Local contacts: https://www.danfoss.com/en/contact-us/contacts-list/
7
7. MAINTENANCE
7.1 Faults related to the Safe Torque Off (STO) or Safe Stop 1 (SS1)
safety functions
The table below shows the normal fault, generated when STO safety function is active:
The table below shows faults that may be generated from the software part that monitors the hard-
ware related to the STO safety function. If some of the faults listed below occur, DO NOT reset the
fault:
CAUTION! If any service or repair is to be conducted on the drive installed with
OPTBJ board please follow the check list given in Chapter 6.2.
CAUTION! During maintenance breaks, or in case of service/repair, the OPTBJ
board might have to be removed from its slot. After reconnecting the board,
ALWAYS make sure that the STO or SS1 safety functions are active and fully func-
tional by testing them. See Chapter 6.5.
Fault code Fault ID Explanation Correcting measures
30 SafeTorqueOff 530
STO activated through the
OPTBJ option board
STO function activated. Drive is
in safe state
Fault code Fault ID Explanation Correcting measures
30 Safety configuration 500
STO jumper is installed on the
control board.
• Remove the STO jumper from
the control board. See ch. 3.1
and 3.1.1
30 Safety configuration 501
More than one OPTBJ option
board detected in the drive.
• Only one OPTBJ board is sup-
ported by the drive. Remove
other OPTBJ boards from the
drive, except from slot E.
30 Safety configuration 502
OPTBJ option board installed to
a wrong slot.
• OPTBJ option board can only be
installed to slot E. Install the
board to slot E.
30 Safety configuration 503
STO jumper missing from the
control board.
• Install the STO jumper to the
control board, when the OPTBJ
board has been removed from
the drive. See ch. 3.1 and 3.1.1
30 Safety configuration 504
Problem detected in STO
jumper installation on the con-
trol board.
• Check the installation of the
STO jumper on the control
board. See ch. 3.1 and 3.1.1.
30 Safety configuration 505
Problem detected in STO
jumper installation on the
OPTBJ board.
• Check the installation of STO
jumper switch on the OPTBJ
board. See ch. 3.1 and 3.1.1
30 Safety configuration 506
Communication has been failed
between the control board and
OPTBJ option board.
• Check the installation of the
OPTBJ board.
• Restart the drive.
• Change the OPTBJ board if nec-
essary.
• Should the fault re-occur, con-
tact the distributor near to you.
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