DualLite LSN - 205. Alarms

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205. Alarms
What They Mean And How To Respond
WhentheLSNsystemdetectsaproblem,it:
• Sounds an alarm
• Illuminates the red "ALARM" LED on the User Interface Panel, and
• Displays an error message
Ifthesystemwasorderedwithanoptionale-maildeviceandthealarmconditionlastsformorethanveminutes,the
unit will automatically send an alarm e-mail to all programmed e-mail locations.
In The Event Of An Alarm Condition
1. Readtheuserinterfacepaneldisplaytodeterminethespecicalarmcondition.
2. Temporarily silence the alarm by pressing [MAN],3,2 on the user interface panel. The display should read "Alm
Silenced". This procedure silences the indicated alarm only. Should another failure be detected, the alarm for
that condition will sound.
3. Find the message or code in the following table. The table provides alarm information and appropriate response
procedures.
For illustration purposes, the model used is a 120-volt in, 240-volt out, 15 KVA unit operating with a nominal battery
bankof144voltsDC.Therstnumberinthealarmmessagesistheactualmeasuredvalue,thesecondisthepreset
limit. This table is offered as a guide only, other factors may cause the various alarms to activate.
NOTE - Whenever contacting the Dual Lite Technical Support Center, it is desirable to use a telephone as close to
the system as possible in order to help our technicians determine the cause of the alarm condition.
Alarm Message What it means What to do
ALM Lo ACVin 99 102 AC voltage fed to unit Verify input AC is low with an external
fell below allowable voltmeter. If yes, call electrical contractor to
limits. Troubleshoot and repair the service feeds. If no
contactDualLite’sTechnicalSupportCenter.
ALM Hi ACVin 140 134 AC voltage fed to unit is Verify input AC is high with an external
above allowable limits. voltmeter. If yes, call electrical contractor to
troubleshoot and repair the service feeds. If no
contactDualLite’sTechnicalSupportCenter.
ALMHtsnktHi150C100C Heatsinktemperature ContactDualLite’sTechnicalSupportCenter.
rose above allowable
limit.
ALM BattT Hi 70C 60C Battery cabinet If batteries are installed in a hot environment
 temperatureroseabove (above50C),relocatethem.Ifnot,call
allowable limit. DualLite’sTechnical Support Center.
ALM Low Runtime 29 30 Unit is about to shut Remove non-critical loads to extend runtime.
down.
ALMFreqLo4958 Outputfrequencyis Ifalarmoccursinstandbymode,problemis
below allowable limit. with the incoming feed. If alarm occurs in
Invertermode,contactDualLite’sTechnical
Support Center.
ALMACVoutlo200204 Systemisstilloperating, ContactDualLite’sTechnicalSupportCenter.
but output voltage fell
below allowable limit.
ALMACVoutHi272269 Systemisstilloperating, Makesurethereisaminimum5%load
but output voltage rose connected to the unit. If not, make
above allowable limit. arrangements to do so. If load is proper,
contact DualLite’sTechnical Support Center.
ALMXfmrTHi102C100C Outputtransformeris CallDualLite’sTechnicalSupportCenter.
overheating and unit is
about to shut down.