119
RTAA-IOM-3
Table 18
Diagnostics and Troubleshooting Chart (Continued)
DIAG. ACTIVE
CODE DIAGNOSTIC DESCRIPTION TYPE MODES CAUSE
481 1U8 Indicating MMR All The 1U8 Module has detected a loss of
1U1 Communications inter-processor communications from
the 1U1 Module.
483 1U8 Indicating CMR* All The 1U8 Module has detected a loss of
1U3 Communications inter-processor communications from
the 1U3 Module.
484 1U8 Indicating CMR All The 1U8 Module has detected a loss of
1U4 Communications inter-processor communications from
the 1U4 Module.
485 1U8 Indicating CMR All The 1U8 Module has detected a loss of
1U5 Communications inter-processor communications from
the 1U5 Module.
486 1U8 Indicating CMR All The 1U8 Module has detected a loss of
1U6 Communications inter-processor communications from
the 1U6 Module.
487 1U8 Indicating CMR All The 1U8 Module has detected a Ioss of
1U7 Communications inter-processor communications from
the 1U7 Module.
*In the event of this communication diagnostic, CMR(s) will be generated for the circuit(s) which are using the Slaved EXV
(i.e. those circuits which are employing a parallel valve arrangement).
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