Huawei NetCol8000-A Maintenance And Troubleshooting Manual page 6

Routine Maintenance (2)
Pay attention to the safety symbols on the equipment and all safety instruction

s in this document. The safety precautions given in this document do not cover
all safety precautions. Huawei will not be liable for any consequence caused by
violation of the safety operation regulations and design, production, and usage
standards.
Most maintenance tasks can be performed only after the power supply is disconne

cted
from the equipment. Do not connect the power supply during maintenance. If you
need
to perform maintenance tasks such as measuring the current, voltage, and temper
ature
when the equipment is in operation, connect the power supply only after you hav
e
finished all equipment connections. Disconnect the power supply when you have
finished the maintenance.
Protective measures must be taken during electrical maintenance, such as wearin

g
insulation gloves and boots.
Exercise caution during professional maintenance. For details, consult Huawei t

echnical
support.
Copyright © 2017 Huawei Technologies Co., Ltd. All rights reserved.
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