DMS-R-IM
Preventive Maintenance
April 7, 2021
Digital Modular System - Rinse
6-16
6.7
PM For Panel Door Switch
Item
PM Activity/Schedule
Door Switch
Check safety interlock
functionality
M
(D–daily; W–weekly; M–monthly;, Q–quarterly; HY–half-yearly; Y–yearly; TBD–to be determine)
Figure 6-12: Safety Interlock – Door Switch (Located at station electrical box and control panel)
Step
Description
1
Power ON the system and PLC.
2
Remove the enclosure panel door.
3
Ensure the system is shut off similar to when EMO is triggered (refer
to section
1.11 Emergency OFF (EMO) Circuit
4
Otherwise check wiring connection and tighten any loose wire
connection.
