Sanyo E11A202U User Manual

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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

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, charger
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
Charger operation

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.