3BHS799208 E01 REV E ACS5000 WATER-COOLED USER MANUAL 169/186
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
10.5.3 S800 I/O modules
LEDs on I/O modules having the same meaning on all types of I/O modules 
are always at the same position. The LEDs are always at the topmost 
position on each module (Fig. 10-5: 1) and are identified as follows:
• F: fault
• R: run
• W: warning
• O or OSP (only output modules)
Figure 10-5 Example of S800 I/O station  
Note: For more information, see the following manuals:
• S800 I/O - General information and installation, user’s guide
• S800 I/O - Modules and termination unit, user’s guide
10.6 Corrective maintenance
Overview on maintenance tasks:
• “10.6.6 Visual checks on the drive” on page 179
LED Color Indication
F Red Indicates failure
R Green Device is operating normally
W Yellow External fault or minor fault in the module
O Yellow Indicates an active signal
OSP Yellow Indicates an active signal 
(Output Set as Predetermined)
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