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Manual
00809-0500-4880
Table 8-27: Troubleshooting
Symptom
Mode will not leave IMAN.
Mode will not change to AUTO.
Mode will not change to CAS.
Rosemount OCX8800A
(continued)
Possible causes
2. Configuration error
3. Resource block
4. Schedule
Back calculation
1. Target mode not set
2. Input
1. Target mode not set.
F
OUNDATION
December 2022
Corrective action
2. BLOCK_ERR will show the
configuration error bit set. The
following are parameters that
must be set before the block is
allowed out of OOS:
a. BYPASS must be off or on and
cannot be left at the inital value of
.
0
b. OUT_HI_LIM must be less than
or equal to OUT_LO_LIM.
c. SP_HI_LIM must be less than or
equal to SP_LO_LIM.
3. The actual mode of the resource
block is OOS. See Resource block
diagnostics for corrective action.
4. Block is not scheduled and
therefore cannot execute to go to
Target mode. Schedule the block to
execute.
BKCAL_IN
a. The link is not configured (the
status would show
Not
). Configure the
connected
BKCAL_IN link to the downstream
block.
b.The downstream block is sending
back a Quality of
or a Status of
Bad
. See the
Not Invited
appropriate downstream block
diagnostics for corrective action.
1. Set target mode to something
other than
.
OOS
2. IN
a. The link is not configured (the
status would show
Not
). Configure the IN link
connected
to the block.
b.The upstream block is sending
back a Quality of
or a Status of
Bad
. See the
Not Invited
appropriate upstream block
diagnostics for corrective action.
1. Set target mode to something
other than OOS.
Fieldbus
™
191
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