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Q
Why is N6900 fan speed too high when power-on?
A1) The Ethernet cable was plugged into EXTEND port.
2) There is OTP warning on the screen. Please calibrate the temperature.
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Q
There is no response after pressing On/Off button when N6900 is under CC/CV/CP mode.
AN6900 is under external control. Please restore factory setting and restart N6900.
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Q
There is OVP warning on the screen. N6900 cannot sink current.
A1)The OVP value is improperly set.
2)The input voltage exceeds N6900 rated voltage. -
Q
There is RV warning on N6900 screen.
AThe input positive and negative polarities are reversed.
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Q
There is Miss warning on N6900 master screen under cascade mode.
AEthernet cable between the master and the slave is loose. Please fix the cable or change a new cable.
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Q
The displayed value is inconsistent with actual value on N6900.
A1) Please set the Operation Mode to High Accuracy on Application Setting.
2) Please calibrate the devic -
Q
There is communication failure on N6900.
A1) Please set Communication Protocol to MODBUS on System Configuration, if communicating via LAN port.
2) Please confirm Baud Rate on both System Configuration and N6900 application software, if communicating via RS232 interface.
3) Please confirm ID and Baud Rate on both System Configuration and N6900 application software, if communicating via CAN interface. -
Q
The measured voltage on N6900 is not accurate.
APlease employ remote sense.