Mitel 3300 Technician's Handbook page 353

Table 78 below shows the meaning of the Alarm LEDs.
Table 78: Controller Alarm (Relay) LEDs (LX)
Alarm State
Critical Red on
off
Major Red on
off
Minor Red on
off
Remote Red on
Disabled
off
Service is lost; immediate maintenance required
(critical alarm invokes system fail transfer if enabled).
OR
Power on reset ongoing. OR
INIT switch activated (resets all boards).
No alarm.
Service has degraded beyond predetermined threshold.
OR
Embedded voice mail is not functioning or disk space
used is at 98%.
No alarm.
Minor malfunction in system (minor alarm raised when
system not fully operational).
OR
Embedded voice mail disk space used is at 90%.
No alarm.
Alarm is on, but silenced (Silence state is toggled by the
Remove Alarms ON/OFF switch). OR
PRO or INIT switch active.
Alarm is audible OR
Controller is powering up.
Meaning
Status LEDs
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