Service and maintenance
12.1
Basic safety instructions
Impermissible repair of the device
● Repair must be carried out by Siemens authorized personnel only.
Impermissible accessories and spare parts
Danger of explosion in areas subject to explosion hazard.
● Only use original accessories or original spare parts.
● Observe all relevant installation and safety instructions described in the instructions for
Improper connection after maintenance
Danger of explosion in areas subject to explosion hazard.
● Connect the device correctly after maintenance.
● Close the device after maintenance work.
Refer to Chapter "Connect (Page 77)".
NOTICE
Penetration of moisture into the device
Device damage.
● Make sure when carrying out cleaning and maintenance work that no moisture penetrates
Releasing key lock
Improper modification of parameters could influence process safety.
● Make sure that only authorized personnel may cancel the key locking of devices for safety-
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB
WARNING
WARNING
the device or enclosed with the accessory or spare part.
WARNING
the inside of the device.
CAUTION
related applications.
12
277