Maintenance 507
Maintenance
Contents of this chapter
This chapter contains maintenance information related to the FSO module:
• instructions for component replacement in the safety circuit (for example,
replacement of the FSO or FSE module, control unit, memory unit, power unit, or
FB module)
• how to reset the FSO module to factory settings
• how to recover the FSO module from fail-safe mode
• information about updates to the safety system
• information about proof tests.
WARNING! Obey the instructions in chapter Safety instructions. If you ignore
them, injury or death, or damage to the equipment can occur.
Planning
All maintenance and repair actions on a safety critical system must be planned,
performed and documented accordingly.
Tools
You need the Drive composer pro PC tool to perform the maintenance procedures.