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Copyright © 2017 Huawei Technologies Co., Ltd. ll rights reserved.
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. Hua ei ill 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 po er supply is disconne
cted
from the equipment. Do not connect the po er supply during maintenance. If you
need
to perform maintenance tasks such as measuring the current, voltage, and temper
ature
hen the equipment is in operation, connect the po er supply only after you hav
e
finished all equipment connections. Disconnect the po er supply hen you have
finished the maintenance.
Protective measures must be taken during electrical maintenance, such as earin
g
insulation gloves and boots.
Exercise caution during professional maintenance. For details, consult Hua ei t
echnical
support.
