Emerson Rosemount OCX8800 - Table 7-34 Troubleshooting; Troubleshooting

Instruction Manual
IM-106-880C, OI
Section 7: Foundation
Fieldbus
April 2017
Troubleshootin
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7.14.2 Troubleshooting
Refer to Table 7-34 to troubleshoot any problems that you encounter.
Table 7-34 Troubleshooting
Symptom
Possible Causes
Corrective Action
Model will not leave OOS
Target model not set
Set target mode to something other than OOS.
Configuration error
BLOCK_ERR will show the configuration error set. ARITH_TYPE must
be set to a valid value and cannot be left at 0.
Resource Block
The actual mode of the Resource block is OOS. See Resource block
diagnostics for corrective action.
Schedule
Block is not scheduled and therefore cannot execute to go to the
target mode. Typically, BLOCK_ERR will show “Power-Up” for all
blocks that are not scheduled. Schedule the block to execute.
Status of outputs is BAD
Inputs
Input has BAD status.
Block alarms will not work
Features
FEATURES_SEL does not have Alerts enabled. Enable the Alert bit.
Notification
LIM_NOTIFY is not high enough. Set equal to MAX_NOTIFY.
Status Options
STATUS_OPTS has the Propagate Fault Forward bit set. This must be
cleared to cause the alarm to occur.