User Manual

Dear customer, you can find solutions in the following failure analysis if you
encounter problems during using.
Fault/Display:Incorrect output voltage
Cause:
1. The battery power of RMS Multimeter is low.
2.Multimeter is subject to slight deviations in testing the output power of inverter.
The low eletric power and small capacity of the battery are one of the reasons which
cause the current in low situation when the inverter is operating.
Solution:
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.
Fault/Display:No output voltage
Cause:
1. The switch of the inverter is off.
2. There is an error in connection of positive pole and negative pole between inverter
and car battery
3.car battery is near ran out of power, inverter will not work.
4.Our inverter is a modified sine wave type, it cant power Resistive load device. So
when the inverter was connected to the Inductive load device, it will stopped
working due to overload situation.
Solution:
1.Tum on the power switch.
2. Check the cables and make sure they are tightly connected.
3.Fully charge the car battery.
Fault/Display:Cannot drive the load

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