Shenzhen Hpmont Technology Co., Ltd Chapter 5 Operation Instructions
HD20 Series Inverters User Manual ―37―
The display panel of the HD20 inverter consists of 5 status indicators and 5 unit indicators. The
indicators and their display status meanings are as shown in Table 5-2.
Table 5-2 Indicator description of the display panel
Mark Name Description
Forward status
indicator
Lighting: Indicate the inverter is forward running at the moment
Flashing: Indicate the start of the inverter is forward running next time
Reverse status
indicator
Lighting: Indicate the inverter is reverse running at the moment
Flashing: Indicate the start of the inverter is reverse running next time
Alarm status
indicator
Lighting: Indicate the inverter is faulty at the moment
Lightless: Indicate the inverter is well at the moment
Remote/local
status indicator
Lighting: Indicate the inverter isn’t in display panel control mode
Lightless: Indicate the inverter is in display panel control mode
Password locked
status indicator
Lighting: Indicate the user password lock of the inverter is avail
Lightless: Indicate there is no user password or unlocked
Frequency unit
indicator
Lighting: The unit of the present function parameter or status display
parameter is Hz
Flashing: Output frequency status display at the stop or run situation
Lightless: The unit of the present function parameter or status display
parameter is not Hz
Current unit
indicator
Lighting: The unit of the present function parameter or status display
parameter is A
Lightless: The unit of the present function parameter or status display
parameter is not A
Voltage unit
indicator
Lighting: The unit of the present function parameter or status display
parameter is V
Lightless: The unit of the present function parameter or status display
parameter is not V
Rotary speed
unit indicator
Lighting: The unit of the present function parameter or status is rpm
Flashing: Running rotatry speed status display at the stop or run
situation
Lightless: The unit of the present function parameter or status display
parameter is not rpm
% unit indicator
Lighting: The unit of the present function parameter or status display
parameter is %
Lightless: The unit of the present function parameter or status display
parameter is not %
The indicator has three statuses: Lightless, lighting, flashing statuses are shown as following:
It means lightless indicator; It means lighting indicator; It means flashing indicator.
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