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Monitor OK relay
(RLY6) is de-energized.
An active alarm, digital
input or analog input is
mapped to this relay.
Check relay mapping. See “4.1.3 Grounding in
the St. Louis Market Area” on page 75.
SC200 or I/O board
software corrupt or
hardware fault.
Replace faulty unit.
Incorrect battery or load
current readings.
Bus voltage sense
polarity is incorrect.
Check the bus voltage sense polarity and correct
if necessary.
Incorrectly configured
shunt inputs.
Check shunt mapping and gain is correct.
Current is below the
deadband threshold
(approximately 2% of
full scale).
None, normal operation.
SC200 or DCTools/
Web displays
???
or
N/A
Failed, disconnected or
unconfigured sensor.
Replace, connect or configure sensor.
Faulty or disconnected
voltage feed module.
Replace or connect voltage feed module.
Incorrect I/O board
mapping.
Check I/O board mapping.
To re-map I/O boards,
1. In DCTools/Web go to:
I/O Board
>
I/O Board
to Serial Number Mapping
.
2. Copy the I/O board serial number(s) from the
RXP Bus Slaves
table to the
I/O Board to Serial
Number Mapping
table to map an
IOB Number
to
each I/O board. (Overwrite an existing serial num-
ber if required.)
DCTools connection
problem (
Target Failed
to Respond
error)
Connection problem
Refer to following communications problems.
Table 8 - Troubleshooting issues and actions: SC200
Problem
Possible cause
Required action
