
Shenzhen Hpmont Technology Co., Ltd
Chapter 5 Operation Instructions
HD20 Series Inverters User Manual
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41
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Fault alarm status
If the inverter detects a fault signal, the display panel will enter the fault alarm status and flashing
display the fault code, as shown in Figure 5-6.
You can enter Group F20 (F20.21
-
F20.37) to check the fault history.
Figure 5-6 Fault alarm status
The inverter can be reset by pressing
key, or by sending the reset commands via the
control terminal or communication reset port.
Special display status
The special display status includes the setting and unlocked password status, upload and
download parameter, power on initialization, parameter auto-tuning, display panel self-check and
restored factory settings, as shown in Figure 5-7.
Figure 5-7 Special display status
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
STOP
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Hz
A
V
RPM
%
REV
FWD
ALM
LO/RE
LOCK
Unlock password success
Clear password success
Set password success
Downloading parameters
Uploading parameters
Download parameters error
Power on initialization
Power on initialization
Display panel self-check success
Display panel self-check error
Parameter auto-tuning
Restore factory setting
5