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info
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sansdigital.com
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phone 800 980 1988
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fax 626 322 3878
Redundant Power Supply (Standard for ES212X12, ES316X12, ES424X12, optional for ES208X12)
The redundant power supply feature consists of hot-swappable power supply modules. If one of the power
modules fails, the remaining working power supply modules will continue to provide power to the unit so
users do not experience downtime. A replacement power supply could be installed while the unit is running.
Once the replacement power has been installed, the unit will regain its redundant power feature.
Note:
Power must be supplied to all power supply modules in order for redundant feature to operate
correctly.
Fan/Power Fail LED information (Front Panel)
When the power supply modules or internal cooling fan malfunctions, the front fail LED will blink and the
alarm will go off. Please see table below:
Description
Alarm Buzzer
Fail LED
Power Supply Failure
Always On
Blinking Red
Cooling Fan Failure
Beep with one second interval
Blinking Red
Note:
Pressing down the ‘Alarm Reset’ button temporarily silences the alarm. Alarm will start buzzing again
once the unit has been restarted.
