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1.4.3 Maintenance and replacement of components
Note:
Please select proper torque to tighten screws.
Keep the inverter, parts and components away from combustible materials during maintenance and
component replacement.
Do not carry out any isolation and pressure test on the inverter and do not measure the control circuit of
the inverter by megameter.
Carry out a sound anti-electrostatic protection to the inverter and its internal components during
maintenance and component replacement.
1.4.4 What to do after scrapping
8 - 144
Only qualified electricians are allowed to perform the maintenance, inspection,
and components replacement of the inverter.
Disconnect all power supplies to the inverter before the terminal wiring. Wait for
at least the time designated on the inverter after disconnection.
Take measures to avoid screws, cables and other conductive materials to fall
into the inverter during maintenance and component replacement.
There are heavy metals in the inverter. Deal with it as industrial effluent.
Safety precautions
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