Chapter 5 Function Introduction Shenzhen Hpmont Technology Co., Ltd.
―58― HD3N-TC Series Inverter User Manual V1.0
Inverter output load loss detection fault (F20.03 - F20.05)
Ref. code Name Description Setting Range [Default]
F20.03 Detection action for inverter output load loss 0 - 4[0]
0: Invalid, not detect.
1: Detect during running and keep running (alarm).
2: Detect during constant speed and keep running (alarm).
3: Detect during running and stop output (fault).
4: Detect during constant speed stop output (fault).
F20.04 Detection value for inverter output load loss 0 - 100 [30%]
Defines the current value for output load loss alarm. It relates to rated current of inverter.
F20.05 Detection time for inverter output load loss 0.00 - 20.00 [1.00s]
When inverter output current < F20.04, and duration > F20.05, inverter reports E0018 fault (inverter load
loss).
• F20.04 = 0 or F20.05 = 0, inverter does not detect E0018 fault.
Input/output phase loss fault (F20.08 - F20.11)
Ref. code Name Description Setting Range [Default]
F20.08 The detection base of lack of input 0 - 80 [30%]
F20.09 The detection time of lack of input 1.00 - 5.00 [3.00s]
F20.08 is percentage related to rated voltage of inverter.
When inverter detects certain input voltage does not hit the detection base (F20.08) and exceeds the
preset detection time (F20.09), inverter alarms E0015 fault (lack of input).
• F20.08 = 0, inverter will not detect input phase loss fault.
F20.10 The detection base of lack of output 0 - 100 [5%]
F20.11 The detection time of lack of output 0.00 - 20.00 [0.10s]
F20.10 is percentage related to rated current of inverter.
When inverter detects certain output current does not hit the detection base (F20.10) according to F24.23
and exceeds the detection time (F20.11) output frequency exceeds F24.24, inverter reports E0016 fault (lack
of output).
• F20.10 = 0, inverter will not detect output phase loss fault.
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