Fan Operation - Samsung OfficeServ 7400 Installation Manual

CHAPTER 8. Ошибка! Стиль не определен.

8.4.5 Fan Operation

The system has the function to power off DC 48 power and the system operation after 24
hours to prevent from the overheat of the system if the fan connected to the system is not
working. This function is a function that manages the system via program setup by
providing the pre-alarm to the extension within 24 hours.
The procedure to set the function is as follows:
1) Specify the SYSALM key in MMC722, initially. Set the specified key to the digital
manager phone.
2) If an alarm occurs in the phone, the reason for the alarm is displayed in MMC851.
MJA08 is the message to tell the malfunction of the fan and inform that the system will
be turned off after 24 hours.
If this alarm occurs, the fan should be replaced within 24 hours.
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