C300 Controller soft failures
Device Index value is zero upon power up
R301.1 Experion C300 Controller User's Guide 229
11/06 Honeywell
Figure 12 Soft Failures tab in Control Builder
Table 16 C300 Controller Soft Failures
Soft Fail Message Condition when indicator is lit Corrective Action
Battery State Warning
Note that Battery Status is
also indicated on the C300
Controller block Main tab.
Indicates that battery voltage for
controller RAM retention is not within
specified limits. Controller state may
not be maintained through a power
down. This would prevent warm start
and may require the user to reload
On the C300 block Main tab:
• If Battery Status =
UNDERVOLTAGE, then
replace battery.
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