ZXMW NR8250 Alarm and Notification Handling Reference
Handling Procedure
None
2.4.6 401 DC input voltage abnormal
Alarm Property
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Alarm Code: 401
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Alarm Information: This alarm is reported when the DC input voltage is out of range
and cleared when the voltage becomes normal.
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Alarm Level: Major
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Alarm Type: Environment Alarm
Sub-code Description
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Sub-code 0: Overvoltage
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Sub-code 1: Undervoltage
Effect on the System
The board or the system cannot operate properly, and the services carried by the board
are interrupted.
Possible Causes
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When the input voltage of PM board is higher than the upper threshold, it is
over-voltage.
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When the input voltage of PM board is lower than the lower threshold, it is
under-voltage.
Handling Procedure
Over-voltage: Use a multimeter or other tools to check whether the input DC voltage is
higher than or equal to 56 V. If yes, replace the DC power supply system. If not, replace
the PM board.
Under-voltage: Use a multimeter or other tools to check whether the input DC voltage is
lower than 42 V. If yes, replace the DC power supply system. If not, replace the PM board.
2.4.7 4011 Outdoor access-control alarm
Alarm Property
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Alarm Code: 4011
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Alarm Information: The access-control module of the outdoor monitoring device is
abnormal.
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Alarm Level: Major
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Alarm Type: Environment Alarm
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SJ-20111008094748-008|2012–05–30 (R1.1)
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