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5. MAINTENANCE AND TROUBLESHOOTING
The following chapters describes the main issues occurring on the combiner, the way to identify and solve
them.
5-1 Combiner under alarm
Alarms are a category of status informing of off-limits operational conditions. When an alarm is raised, laser
operation is not possible until the cause of the alarm is fixed. Resuming the emission requires that the unit is
re-activated by the emission key.
An alarm status is expressed to the user by any of these means:
• the “Alarm” LED in solid red on the remote control (refer to section 2, paragraph 2.4 for a
description of the remote control),
• the software query “AL?” return the specific identification of the alarm
Chart 5.1 Alarm status and their transition sequences
Normal status
•Emission is possible
•"Alarm" LED is unlit
•Alarm code is equal to "0"
Out-of-bound condition detected
Alarm raised
•Emission is interrupted
•"Alarm" LED lit
•Alarm code different from "0"
Nominal situation recovered, unit
reactivated
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