Shenzhen Hpmont Technology Co., Ltd. Chapter 5 Function Introduction
HD3N-TC Series Inverter User Manual V1.0 ―57―
Braking unit (F19.24)
Ref. code Name Description Setting Range [Default]
F19.24 Action voltage of braking unit 220V inverter: 330 - 400 [380V]
380V inverter: 630 - 750 [680V]
LCD backlight (F19.44)
Ref. code Name Description Setting Range [Default]
F19.44 LCD backlight display time 0.0 - 999.9 [5.0min]
Defines display time of keypad LCD backlight when there is no operation on keypad.
• F19.44 = 0, backlight always on.
• Backlight always on at fault.
• At normal state, backlight is on for time of F19.44 and then does not light. Now pressing any button only
turns on backlight and do not send command.
5.2.16 F20: Fault Protection Parameters
Overload fault (F20.00)
Ref. code Name Description Setting Range [Default]
F20.00 Overload pre-alarm detection 00000 - 30000 [00000]
Ten thousands: Overload protection
• 0: Enable inverter overload protection and motor overload protection.
• 1: Enable inverter overload protection; shield motor overload protection.
• 2: Shield inverter overload protection; enable motor overload protection.
• 3: Shield inverter overload protection and motor overload protection.