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Q
How to restore factory settings?
Open
A
Set through the display menu or through background software.

For the high-frequency machine, press the up and down keys at the same time, enter 305, enter item 34, and then press ENETER twice

For industrial frequency machines, press and hold the ESC and ENTER keys for 2 seconds at the same time, and the three LEDs will light up at the same time to restore the factory settings successfully.

Q
In a remote place, if there is no internet, can I use monitoring?
Open
A
If there is a mobile network, you can use GPRS; if you don’t even have a mobile network, you can only use the USB interface to connect to the computer for local monitoring
Q
How long of the delivery time, sample order and wholesale order?
Open
A
After receiving payment, for Sample order, within 3 days; For 1000pcs wholesale order, 7-15 working days. 
Q
How long of the warranty or guaranty?
Open
A
For High frequency off-grid solar inverter: 2 years

For Low frequency off-grid solar inverter: 2 years

For Solar Pump inverter: 3 years

For on/off grid inverter: 5 years

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Shenzhen Sacolar New Energy Co., Ltd