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L.  Troubleshooting Tips

Reduce a load power,
or turn on the appliance 
first, then turn on the 
inverter. 

While using with 
TV or audio, there 
is snowflake on 
the screen or noise 
from the audio. 

1.  The switch is off.
2. The battery lead isn't 
connected well 

Cut off the load and let it cool naturally 
for 10 to 30 minutes. Restart it after it 
resumes to normal temperature. The 
load power is too large, reduce the 
total load power to the range of rated 
power. Avoid blocking the vent and 
improve the ventilation condition. 
Reduce the ambient temperature.

1. Turn on the power switch. 
2. Check the cables and make sure 
    they are tightly connected. 

1. Keep the inverter far from 
antenna.
2. Use screened antenna. 

1. Use a true RMS multimeter to 

measure, such as the model 
FLUKE 177/179.

2.Try to maintain the input voltage in 

the range of  rated power

3.Change the battery of the 

multimeter then test again.

1.  RMS Multimeter measurement 

error

2.  The battery power of RMS 

Multimeter is low. The input 
voltage is too high or too low 

Do not use it when the battery is 
charging. Check the rated voltage 
of the battery and make sure that 
it is in the allowable range of the 
input voltage.

Low input DC voltage

High input DC voltage

Overload

Over temperature

No output voltage, 

buzzer sounds 

continuously

No output voltage

Incorrect output 
voltage

Cannot drive 
the load

1. Load power is too large, or the 

actual power of the appliance 
exceeds nominal power.

2.The starting power is larger 

than rated power (such as 
motor).

Welcome to use GIANDEL power inverter. If you have any query during using our 

inverter, please contact our service team by email: [email protected] 

WARRANTY

This product is designed using the most modern digital technology and under very 
strict quality control and testing guidelines. If however, you feel this product is not 
performing as it should, please contact us: [email protected]
We  will  do  our  best  to  resolve  your  concerns.  If  the  product  needs  repair  or 
replacement,  make  sure  to  keep  your  receipt/invoice,  as  that  will  need  to  be  sent 
back  along  with  the  package  and  prepaid  to  GIANDEL.  You  have  a  full  18  months 
warranty from date of purchase.
This  warranty  is  valid  worldwide  with  the  exception  that  freight  and  duty  charges 
incurred outside the contiguous 48 United States will be prepaid by customer.
Except  as  noted  above,  GIANDEL  makes  no  warranty  of  any  kind,  express  or 
implied,  including  without  limitation  the  implied  warranties  of  merchantability  and 
fitness  for  a  particular  purpose.  In  no  event  shall  GIANDEL  be  liable  for  indirect, 
special or consequential damages. This warranty only applies to GIANDEL branded 
products.  All  other  name  brand  products  are  warranted  by  and  according  to  their 
respective  manufacturer.  Please  do  not  attempt  to  return  non-GIANDEL  branded 
products to us.

The following situations will void warranty:
1. The box is distorted, damaged or changed, and interior parts damaged because  

of an exterior hit or drop not reported at time of delivery.

2. Connect the DC power incorrectly reversing the polarity. 
3. Dismantled or repaired the unit by an unauthorized person.
4. The unit was damaged by incorrect installation or operating method.

For additional products, please visit our web site: www.giandel.com.au

-Modified sine wave inverters from 100W to 5000W
-Pure sine wave inverters  from 200w to 5000W

To  find  out  where  to  buy  any  of  our  products,  you  may  also  e-mail: 
[email protected] or [email protected] .

5.

6.

I. HOW TO CHANGE FUSE

1.  Firstly  disconnect  the  inverter  and  external  batteries,  solar  panels,  load  etc  all  the 

connections.

2. Unscrew the side plate screws and pull out the bottom plate.
3. Use pliers to clamp car fuse inside the product, and pull out.
4. Replace the same specifications of the car fuse, and then install the bottom and side 

panels, and screw well.  

If all of the above methods have been tried, the product still not work properly. The internal 
circuit of the product may be out of order. Please return the product to the supplier for 
maintenance.

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