Panasonic CZ256ESMC2 Operation Manual page 10

[O/D comm. error log] logs the history of errors in communication between the outdoor unit and the
Intelligent Controller or the Communication Adaptor.
[Adapter alarm log] logs the history of warnings as determined by the Intelligent Controller or the
Communication Adaptor.
(Duplicate adaptor addresses, communication error between the Intelligent Controller and adaptor, etc.)
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Screen Display and Operation