Q：No LCD display

A:To check the wires with electroprobe.

Ø if there is voltage, that means the meter has damaged, need to be changed by new one.

Ø if no voltage, need to check the line issue or power failure, etc.

Q:Abnormal LCD display(full screen display)

A:Generally, there are failures of software, need to replace the meter.

Q:Metering abnormal (three-phase meter)

A:To check the L1/L2/L3 indicator works normal or not, if only L1 and L2 light, while L3 off, it means the wire connection has issue.

Q:LCD battery symbol displays

A:

Ø When the left battery symbol displays, it means the clock can not work normally after power off, need to replace the meter.

Ø When the right battery symbol displays, it means the LCD can not display after power off, but can work normally after power on.

Q:“-” display of L1/L2/L3

A:

Ø To check the in/out line of the meter is reversed or not, if yes, the LCD will display"-“, need to adjust the line connection.

Ø As shown in the figure, L1 line reversed.

Q:L1/L2/L3 rapid flashing

A:When the wires are in reverse order , L1, L2 and L3 will rapid flash simultaneously. Adjust any two wires can make it to normal.

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