SD1 Series Inverters Safety Precautions
-3-
terminals. Please connect the input power cables and motor cables properly; otherwise, the
damage to the inverter may occur.
1.3.2 Commissioning & operating
Disconnect all power supplies applied to the inverter before the terminal
wiring and wait for at least the designated time after disconnecting the
power supply.
High voltage is present inside the inverter during running. Do not carry out
any operation except for the keypad setting.
The inverter may start up by itself when P01.21=1. Do not get close to the
inverter and motor.
The inverter cannot be used as "Emergency-stop device".
The inverter cannot be used to brake the motor suddenly. A mechanical
brake device should be provided.
Note:
Do not switch On or Off the input power supply of the inverter frequently.
For inverters that have been stored for a long time, check, and fix capacitance and ensure it
runs correctly before operation with motors. See Maintenance and Fault Diagnostics.
Cover the front board before running, otherwise electric shock may result.
1.3.3 Maintenance and component replacement
Only well-trained and qualified professionals are allowed to carry out
maintenance, inspection, and component replacement on the inverter.
Disconnect all power supplies to the inverter before terminal wiring. Wait
for at least the designated time after disconnection.
Take the necessary measures to avoid screws, cables, and other
conductive materials from falling into the inverter during maintenance and
Note:
Please use the appropriate amount of torque to tighten screws.
Keep the inverter, its parts, and components away from combustible materials during
maintenance and component replacement.
Do not perform any isolation or pressure tests on the inverter, and do not measure the
control circuit of the inverter using a megameter.
1.3.4 Disposal
The inverter contains heavy metals. At point of disposal, treat as industrial
waste.
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