20
Safety information
Power on work
Troubleshooting
During troubleshooting, pay attention to the following:
Do not touch the connectors of power cables or communication cables.
Otherwise, you might receive an electrical shock.
Do not touch the device with bare hands in an electrostatic sensitive area. Take
ESD-preventive measures, such as wearing ESD-preventive gloves or an
ESD-preventive wrist strap to avoid personnel injuries or device damage
caused by electrostatic discharge.
Do not carry out troubleshooting in stormy weather if lightening
is possible.
Ensure that the power cables are intact and effective grounding
measures are taken.
Keep the troubleshooting area clean and dry.
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