Siemens SINAMICS SL150 - Checking Hoisting Solenoids and Security Bolts; Checking the Plug Connections; Checking the Cable and Screw Terminals; Checking the Filter Mats

9.4.1.3 Checking hoisting solenoids and security bolts
● Check the hoisting solenoids and security bolts at regular intervals.
● Replace defective hoisting solenoids and security bolts before (re)commissioning.
9.4.1.4 Checking the plug connections.
Regularly check the plug connections to ensure they are seated correctly and the contacts are
not corroded.
Note
The fiber-optic cables for the gating boards must be properly inserted in the connectors.
9.4.1.5 Checking the cable and screw terminals
● Check the cable and screw terminals regularly to ensure that they are secure.
● Tighten the screws if necessary. When doing this, comply with the specified torques
(Page 54).
● Check the cabling for defects.
● Replace any defective parts immediately.
9.4.1.6 Checking the filter mats
● Check the air filters in the cabinet doors for pollution.
● Clean the filter mats or replace them if the air flow is obstructed.
See also
Cleaning (Page 86)
Replacing filter mats (Page 83)
Maintenance
9.4 Preventive maintenance
SINAMICS SL150 6SL38600UL432AA0Z
Operating Instructions Rev.201910281433 EXAMPLE 81