Njoy Aira 600, User Manual

10

11

Engli

sh

Română

Troubleshooting

7

Problem

Possible cause

Solutions

UPS no reaction 

while AC is 

connected.

1. Line cord plug is 

loose.

2. Breaker broken.

3. Dead wall 

socket.

1. Check the line cord plug.

2. Replace the breaker.

3. Check wall socket witha  

table lamp.

Power output 

is normal, UPS 

emits continuous 

beep, Load level 

indicator flickers.

The inveryer is 

overloaded.

Turn off the UPS and unplug 

excessive loads from UPS.

UPS does not 

provide expected 

run time.

1. Excessive loads 

connected at UPS’s 

outlets.

2. Battery is 

weak and can not 

provide enough 

power.

Do not operate the UPS. 

Leave the UPS plugged in 

for 10 hours. Then test it 

again. 

If UPS still can not provide 

expected run time, battery 

should be replaced.

Button on front 

panel does not 

work.

The CPU inside 

UPS is not running 

correctly. 

2. Button damage.

Unplug line cord and battery 

cord from the UPS to let it 

shut down automatically.

Then plug the line cord and 

battery cord again.

If button still fails, please 

call for service.

UPS emits 

urgent beep, 

battery capacity 

indicator flickers.

Low battery

1. Charge batteries.

2. Replace batteries.

3. Call for service.

NOTE!

If any abnormal situations occur that are not listed above, please call for 

service immediately.

Disposal of Old Electrical & Electronic Equipment

(Applicable in the European Union and other European countries with 

separate collection systems)

This symbol on the product or on its packaging indicates that this product shall not be 

treated as household waste.

Instead it shall be handed over to the applicable collection point for the recycling of 

electrical and electronic equipment. 

By  ensuring  this  product  is  disposed  of  correctly,  you  will  help  prevent  potential 

negative consequences for the environment and human health, which could otherwise 

be caused by inappropriate waste handling of this product. 

The recycling of materials will help to conserve natural resources. 

UPS cannot DC 

start.

1. Battery polarity 

wrong.

2. Battery wrong 

(over voltage).

3. Battery 

exhaustion.

4. UPS fault.

1. Check battery and 

connection.

2. Check battery voltage by 

voltage meter.

3. Connect AC power cord 

to charge battery.

4. Call for service.