Section 5 Maintenance
FOUNDATION Fieldbus – CI852
3BSE 027 941 R301
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FOUNDATION Fieldbus – CI852
Table 25. FOUNDATION Fieldbus CI852 – Fault-Finding
Fault
Possible Cause and Corrective Action
R(un) and F(ault)
LEDs are not ON
The CI852 board is in the process of being restarted or
configured. Allow time for this to finalize.
If the condition persists, and all units on the CEX-bus have
non-illuminated LEDs:
•
Check the CEX-bus fuse inside the PM8xx processor unit.
•
Initiate a reset signal (INIT) from the PM8xx processor
unit.
•
Replace the CI852 unit.
F(ault) LED is ON Use the Control Builder software to demand status information
from the CI852 unit and proceed accordingly:
•
Initiate a reset signal (INIT) from the PM8xx processor
unit.
•
Replace the CI852 unit.
Summary of Contents for AC 800M
Page 1: ...ControlIT AC 800M Version 2 1 Controller Hardware Hardware and Operation...
Page 2: ......
Page 3: ...Controller Hardware Hardware and Operation ControlIT AC 800M Version 2 1...
Page 10: ...7DEOH RI RQWHQWV 10 3BSE 027 941 R301...
Page 20: ...Related Documentation About This Book 20 3BSE 027 941 R301...
Page 26: ...Operating Environment Safety Summary 26 3BSE 027 941 R301...
Page 42: ...Product Release History Section 1 Introduction 42 3BSE 027 941 R301...
Page 108: ...Powering from an External 24 V DC Source Section 3 Configuration 108 3BSE 027 941 R301...
Page 118: ...Verification of Redundant CPU Section 4 Operation 118 3BSE 027 941 R301...
Page 212: ...Low Voltage Directive LVD Appendix D Directive Considerations 212 3BSE 027 941 R301...
Page 214: ...Hazardous Location Approval Appendix E Standards 214 3BSE 027 941 R301...
Page 228: ...QGH 228 3BSE 027 941 R301...
Page 229: ......