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15.3 Protective Function Table
The following table shows functions and operations which activate to protect the UPS.
The
○
mark indicates lit LEDs and buzzer alarms.
Operation panel (front panel) indicators Alarms
Item
INPUT
Green
OUTPUT
Green
INV.ON
STAND
BY
Green
ALARM
Red
O.L
Red
BATT.
LOW
Red
Buzzer
pattern
(*1)
Protective
functions
(UPS operations)
Notes
Preparation
○
(*2) (*2)
－
－
－
－
Rectifier, charger,
operation
Power up
Normal
○
○
○
－
－
－
－
Inverter operation
Power up,
operation
Serious
failure
○
○
Blink
○
Blink
○
－
－
○
(1)
Stop inverter
Bypass supply
Overload
(effective
value)
○
○
Blink
○
Blink
－
○
－
○
(4)
Auto return
Forced
bypass
○
○
Blink
○
Blink
－
－
－
－
Bypass supply
Manual switch
to bypass supply
Input over
voltage
○
Blink
○
○
－
－
－
○
(2)
Battery
operation
Input over
voltage
(prolonged)
○
Blink
○
○
－
－
○
○
(3)
Battery
operation (*3)
Power
outage
○
Blink
○
○
－
－
－
○
(2)
Battery
operation
Power
outage
(prolonged)
○
Blink
○
○
－
－
○
○
(3)
Battery
operation (*3)
Input error
(frequency)
○
Blink
○
○
－
－
－
○
(2)
Battery
operation
Input error
(prolonged)
○
Blink
○
○
－
－
○
○
(3)
Stop rectifier and
charger
Continue inverter
supply.
Battery
operation (*3)
Battery
failure
○
○
Blink
○
Blink
○
－
○
○
(1)
Stop inverter
Bypass supply
(*1): Press on the front panel of the UPS to stop the buzzer. If a failure occurs, contact
your supplier or Sanyo Denki representative as soon as possible.
Buzzer sound patterns:
(1) * Continuous tone
(2) **......**......
(3) **********...... Continuous beeps
(4) ****......****...
(*2): In this state, the LED blinks or is off, depending on the setting of item
⑪
“Inverter stop
operation”" in §10.1 “Setup Menu Item List”.
When item
⑪
is set to “Bypass”:
○
Blinks
When item
⑪
is set to “OFF”:
－
(*3): Battery operation. Stops inverter operation when final battery discharge is reached.