Uninterruptible Power Supplies Online UPS 2K User Manual download pdf (Page 8)

5. Troubleshooting

If the UPS system does not operate correctly, please attempt to solve the problem

using the table below.

Problem Possible cause Remedy

No indication, no

warning tone even

though system is

connected to mains

power supply

No input voltage

Check building wiring socket

outlet and input cable

LINE LED blinks

Phase and neutral

conductor at input of

UPS system are

reversed

Rotate mains power socket by

180° or connect UPS system

according to chapter 5

“Connection and operation”

LINE-LED blinks and

BATTERY-LED lights

Input power and/or

frequency are out of

tolerance

Check input power source and

inform dealer if necessary

LINE and BYPASS LED

light up even though

the power supply is

available

Inverter not switched

Press On-Switch “I”

INVERTER LED lights

up, warning tone at

intervals (every 1 or 4

seconds)

Mains power supply

has failed

Switching to battery mode

automatically. When audible

alarm sounding every 1

second, battery is almost

empty.

FAULT LED lights,

warning tone once a

second

Overload Remove loads of UPS output

FAULT-LED lights up,

permanent warning

tone

UPS fault Notify dealer!!

Emergency supply

period shorter than

nominal value

Batteries are not fully

charged / batteries

defective

Charge the batteries for at least

1-2 hours and then check

capacity. If the problem still

persists, consult your dealer.

Please have the following information at hand before calling the After-Sales Service

Department:

1. Model number, serial number

2. Date on which the problem occurred

3. Detailed description of the problem

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6. Maintenance

6.1 Operation

The UPS system contains no user-serviceable parts. If the battery service life (3 - 5

years at 25 °C ambient temperature) has been exceeded, the batteries must be

exchanged. In this case, please contact your dealer.

6.2 Storage

If the batteries are stored in temperate climatic zones, they should be charged

every three months for 1-2 hours (see Chapter "Connection and Operation"). You

should shorten the charging intervals to two months at locations subject to high

temperatures.

7. Technical data

7.1 Engineering specifications

MODEL 1KVA 2KVA 3KVA

INPUT

Phase Single

Frequency 46 Hz ~ 54Hz / 56 Hz ~ 64 Hz

Current (A) 110V / 220V 12A / 7A 20A/10A 30A / 16A

OUTPUT

Power rating 1KVA / 0.7KW 2KVA/1.4KW 3KVA / 2.1KW

Voltage 110 / 115 / 120 or 220 / 230 / 240 * ( ± 2%) VAC

Frequency (50Hz/ 60Hz ) * (± 0.2%) Hz (Battery Mode)

Wave Form Sinusoidal

BATTERIES

Number and Type 3 * 12V / 7Ah 8 * 12V / 7Ah

7.2 Operating Environment

Ambient Temperature 0℃ to 40℃

Operating Humidity 20% to 90%, non-condensing

Altitude <1500m

Storage Temperature -15℃ to 40℃

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