5-1
NB-series Programmable Terminals NB-Designer Operation Manual(V106)
5
This section describes the maintenance and check to prevent the abnormality
occurrence and the handling of the abnormalities occurred in NB Unit.
5-1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5-2 Checking and Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
5-3 Abnormality Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-4 Unit Replacement Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Maintenance and Abnormality
Handling