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After checking restart or acknowledging the error message in the web interface. This should remove the
current error indication.
3. Inspect the unit for physical obstruction of the failing microphone.
Note If no visible obstruction of the microphone can be found, consider the unit damaged. In this case,
contact Alphatron support.
4.1.2 LED Surveillance Failure
When a LED failure is indicated start the LED test mode (LED Test Mode on page 16).
Note This should indicate which LED is failing.
If any of the red indicator LEDs have stopped working a fog horn detection might not be visible to the user, in this
event contact Alphatron support.
Refer to the additional information under LED test mode.
4.1.3 Fog Horn Detection Failure
If the unit fails to detect a fog horn, perform the following actions:
1. Check to see if there are any microphone surveillance failure messages in the web interface.
Note Refer to the additional information under Microphone surveillance failure (Microphone Surveillance
Failure on page 35).
2. Adjust the signal to the noise ration setting in the web interface.
Note Refer to the additional information under Microphone surveillance failure.
3. Do a factory reset.
Note Refer to the additional information under Microphone surveillance failure.
4.1.4 Display Device Boot Failure
If the Alphatron SSRS display unit fails to start when power is connected, press and hold the reset button on the back of
the display unit for 10 seconds.
Note Power must be connected to the unit to recover the Firmware.
•
Caution - corruption.
•
If the Firmware starts the device properly, do a Firmware upgrade to ensure the primary Firmware is not
corrupt.
•
After upgrade, the device will restart with the primary Firmware loaded. The recovery Firmware can always
be accessed by performing this step again.
•
Refer to the additional information under Additional options (Additional Options on page 32).
4.2 Service
All services such as installation, maintenance or replacement must by done by an authorized Alphatron service agent.
Note Alphatron does not accept any responsibility for the dismantling or reassembling of an Alphatron SSRS
that occurs externally from an Alphatron authorized facility and/or is handled by someone other than an
authorized, trained and certified person.
36 | Maintenance
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