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Any nonfatal alarm establishes the following conditions:
EMU alphanumeric display indicates Er
Sounding of the audible alarm—unless disabled or muted
The increment switch LED is O
the increment switch turns O
If the audible alarm is muted, the group switch LED remains O
cleared. If the audible alarm is disabled, the group switch LED will always be O
Unrecoverable Alarm
This alarm occurs if one or more enclosure elements have failed, disabling some enclosure
functionality. The enclosure might be incapable of recovering or bypassing the failure and
requires repair to correct the condition. Immediate corrective action is required.
NOTE: The EMU alphanumeric display presents all errors. The GUI does not display fatal errors.
This alarm establishes the following conditions:
Maintains highest precedence over all other alarms.
Sounds the unrecoverable alarm tone (constant tone).
If
alarm mode is
Ho
unmuted and sounds the unrecoverable alarm tone.
If
alarm mode is
Ho
muted, the group switch LED turns O
Critical Alarm
This alarm occurs if one or more enclosure elements have failed or operate outside of their
specifications. These failures make normal enclosure operations of at least some elements
impossible.
This caution report indicates that implementing corrective action can prevent the
condition from escalating to an unrecoverable condition.
This alarm establishes the following conditions:
Only unrecoverable alarms take precedence over this alarm.
Maintains precedence over noncritical and informational alarms.
, unless viewing the last error in the active list, then
N
.
FF
and the audible alarm is muted, then the audible alarm becomes
En
, either the unrecoverable alarm tone sounds or, if disabled (
En
.
N
Error Code Data
D–3
until all alarms are
N
.
N
) or
di
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