DETAILED CASE AND MODULE DESCRIPTION
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8-13
SIG-00-22-02 JUNE 2022 (Revised September 2022)
Version: B.1
The following table shows the diagnostic messages generated by the CPU III.
Table 8-7 Diagnosing CPU Module Problems
Diag Display /
Description
Cause
Remedy
ADR
ATCS Session
address invalid
(Diag3015)
/ The
neighbor ATCS
VCom address is
invalid.
Usually occurs when the ATCS Site
Address (SIN) is not entered
correctly
Reenter ATCS Site Address (SIN)
CAP
MCF Capability
Error (Diag3016)
/
The CPU is not
capable of running
this MCF
Usually occurs when using a recent
MCF on an old CPU
Obtain an MCF requiring a lower capability
CPU, or update the MEF on the existing CPU
to work with the desired MCF.
CCN
CCN Incorrect
(Diag3021)
/ The
CCN is incorrect for
the configuration.
After loading a configuration file,
the CCN is incorrect.
Reload the configuration file and repower the
CPU card. If the error continues, perform Set
to Default and reprogram the unit.
CIC
CIC Access Error
(Diag3022)
/ CPU
unable to access
data stored in CIC
If CIC access error is on the MAIN
CPU
1. Replace the CPU with a known good
spare, Original CPU is defective.
2. If an error does not clear, CIC is bad;
replace GCP chassis.
CRC
MCF/MEF CRC
Incorrect / The
MCF/MEF CRC is
incorrect for the
current MCF
MCF CRC entered is incorrect
(Diag 3004)
Reload MCF CRC.
MCF is corrupt
(Diag 3003)
Reload the MCF.
The executive (MEF) file is corrupt.
(Diag 3014)
Reload the MEF.
CRPT
MCF Checksum
Incorrect
(Diag3003)
/ The
MCF did not load
correctly.
The MCF is corrupt
Reload MCF