BILS-10003 rev E
40
700
Alarms
Listed below is a table that describes alarms Herytage UPS could have, conditions
required to activate the alarm, and response Herytage UPS will have because of alarm
conditions (shutdown, alarm latch).
701
Shutdown and Latching Alarms
If an alarm causes the Herytage UPS to shut down or an alarm latches on, condition
that caused alarm must be corrected, and unit must be reset by pressing clear button.
Before pressing clear insure LCD display is in system status scrolling mode
– if
a parameter is presently displayed press escape a couple of times to get to
system status scrolling mode
(
Note:
The only exception to this is low battery alarm.
If auto restart parameter is set to “yes” UPS will automatically restart when AC input
power has returned and is within acceptable limits and alarm will clear automatically).
If condition that caused the alarm cannot be located and corrected – Turn Herytage
UPS off and bypass system. Call Legacy Power Conversion, Inc. customer service
department @ 800 859-5711.
702
Alarm Table
Alarm
Description
Shut-
down
Latching
Thermo Error
An over-temperature condition exists in the inverter module, the
system will shutdown in 2 seconds.
Yes
Yes
Output overload
In UPS mode / on AC line, line condition, or as a line conditioner
system will alarm at 101% to 125% load for 10 min. before it will
shutdown. Over 125% load system will shutdown in 5 seconds.
In UPS mode / on battery , the system will alarm at 101% to
110% load for 10 min. before it will shutdown. Over 110% load,
system will shutdown in 5 seconds.
Yes
Yes
Memory error
Each time system is turned on it performs a check of information
stored in memory. If any problems are found system will sound a
memory error alarm.
Yes
Yes
Emergency Power
Off
(EPO)
Indicates EPO (emergency power off) option has been activated.
Yes
Yes
Near Low Battery
Indicates system has been running on battery long enough to
reach the near low battery voltage setting, if same AC input
voltage continues UPS will shut off on Low Battery alarm soon.
This is a normal alarm if there is an extended power outage. This
is programmed to 10% above low battery from the factory.
No
No
