USER MANUAL
Optima Rack 1-3K
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(120217_EN) OPTIMA-RACK 1K-3K
-
19
11. ALARMS ON LCD
ALARM Description
ICON on LCD
Beep Alarm
Low battery
1 / s
Overload: hi power consumption detected at
UPS output.
2 / s
Battery disconnected
1 / s
Batteries overcharged
1 / s
Input Cable failure
1 / s
EPO enable
1 / s
FAN failure
1 / s
Over Temperature
1 / s
Battery charger problem
1 / s
Input out of range in bypass mode
1 / s
12. TROUBLESHOOTING TABLE
Problem Description
Probable Root Cause
Suggested Action
* LCD does not show input voltage value
* AC input failure alarm active
(1 beep / 4s) however AC input source is
OK
Input power cord is not
connected
Check input power cord
connection.
Input power cord is connected
into UPS outlet.
Check input power cord
connection.
UPS cannot be powered on even AC
input is OK.
Beep alarm is active (1 beep/s) & LCD
shows:
EPO function is active.
Re-establish emergency power
off switch and set UPS in normal
mode.
USER MANUAL
Optima Rack 1-3K
___________________________________________________________________________________________________________________________________
(120217_EN) OPTIMA-RACK 1K-3K
-
20
UPS cannot be powered on even AC
input is OK.
ON push button is not been
selected properly
Push ON button during 2
seconds or longer
1 beep / s alarm is active and LCD
shows:
Input Line and Neutral are
swapped
Rotate UPS plug at wall socket
to allow correct line-neutral
connection. This suggestion is
only valid for Schuko power plug
type.
1 beep / s alarm is active and LCD
shows:
Internal or external batteries are
not properly connected
Check battery connection.
* Code
27
* Active:
* Continuous beep
Very high voltage at batteries or
charger failure
Batteries and charger must be
inspected by qualified personnel
* Code
28
* Active:
* Continuous beep
Very low voltage at batteries or
charger failure
Batteries and charger must be
inspected by qualified personnel
* Intermittent:
+
* 2 beeps per second.
UPS overloaded
Disconnect devices from UPS
outlets until solving overload
* Intermittent:
+
* 2 beeps per second.
* By-Pass activated
UPS overloaded. UPS has
changed to BYPASS mode to
avoid internal damage.
Disconnect devices from UPS
outlets until solving overload
After repetitive small overloads,
UPS has changed to BYPASS
mode.
Disconnect devices from UPS
outlets until solving overload.
Then power off UPS and re-star
again.
* Code
43
* Active:
* Continuous beep
UPS has been automatically
powered off because overload.
Disconnect devices from UPS
outlets until solving overload.
Then power ON.
* Active:
on LCD.
* Continuous beep
UPS has been automatically
powered off because short
circuit detected at output.
Check short circuit problem in
devices connected to UPS
