Honeywell Experion C300 - C300 Controller Soft Failures Identification

C300 Controller soft failures
Device Index value is zero upon power up
228 Experion C300 Controller User's Guide R301.1
Honeywell 11/06
Solution
Change Device Index switches setting on one of the IOTA's to a unique
value. See Reset Device Index and IP address of controller for more
information.
Device Index value is zero upon power up
The C300 Controller's 4-character display shows a Device Index value of zero (#000).
Diagnostic Check
Be sure Device Index switches on the IOTA were not intentionally set to
zero to initiate a Device Index/IP Address reset.
Cause 1
Device Index switches set to zero.
Solution
Change Device Index switches to correct setting. See Reset Device
Index and IP address of controller for more information.
Cause 2
The C300 Controller is defective
Solution
Replace the C300 Controller. See C300 Controller module and IOTA
replacement for details.
If Device Index switch setting matches Device Index number in 4-
character display upon C300 Controller power up, the removed C300
Controller is defective. Otherwise, go to Cause 3.
Cause 3
The IOTA is defective.
Solution
Replace the IOTA. See C300 Controller module and IOTA replacement
for details.
If Device Index switch setting matches Device Index number in 4-
character display upon C300 Controller power up, the removed IOTA is
defective.
C300 Controller soft failures
Soft failures are indicated on the Soft Failures tab of the C300 block configuration form
shown in Figure 12. Table 16 describes these soft failure conditions detected by the
C300 Controller during background diagnostic checks, when indicator is lit.