Inovance MD520 Series - Common Modbus Problems and Solutions

Operating Panel
‑35‑
Status indicators
Table 4–3 Status indicator description
Indicator Status Indication
FWD indicator steady ON The AC drive is running in
the forward direction, or the
reference direction is
forward.
REV indicator steady ON The AC drive is running in
the reverse direction, or the
reference direction is
reverse.
FWD and REV indicators
blinking
The AC drive is switching
between forward run and
reverse run.
Local/Remote indicator
steady OFF
The AC drive is under local
control.
Local/Remote indicator
steady ON
The AC drive is under
terminal control.
Local/Remote indicator
slowly blinking
The AC drive is under
communication control.
Local/Remote indicator
quickly blinking
The AC drive is under
custom control.
Torque control indicator
steady ON
The AC drive is under torque
control.
Speed control indicator
steady ON
The AC drive is under speed
control.
Fault indicator steady ON A fault occurs on the AC
drive.
Fault indicator steady OFF No fault occurs on the AC
drive.
RUN indicator steady ON The AC drive is running.
Stop indicator steady ON The AC drive has stopped.