Esms - Huawei MTS9300A User Manual

MTS9300A Telecom Power (Ooredoo, Indonesia,
MTS9304A-HD2002)
User Manual
No.
6
7
8
9

4.1.7 ESMs

● To ensure the optimal operating status of ESMs, check and maintain ESMs
regularly. When maintaining ESMs, record related information for checking ESM
management parameters in the future.
● Install ESMs in a dry and, clean, and ventilated environment that is far away
from sources of ignition. Avoid direct exposure to sunlight or rain water.
● Keep ESMs away from strong infrared radiation, organic solvents, and corrosive
gases.
● Ensure that battery cables do not come in contact with water.
Table 4-7 ESMs Routine maintenance
Maintenance Maintenance
Interval Item
Monthly Operating
environment
Exterior
Quarterly Cleanliness
Issue 06 (2021-10-13)
Maintenance Item
Check whether cables
have overheated and
are deteriorating.
Check whether cables
are misshapen by
metal parts.
Check whether cables
pass behind the air
exhaust vents of
rectifiers.
Check whether cable
insulation is damaged.
NO TICE
Measure
Keep ESMs far away from heat sources and avoid direct exposure
to sunlight.
If an ESM experiences damage, leakage, or deformity, disconnect,
take pictures, and then replace the faulty ESM.
Clean the ESM exterior using dry cotton cloth. Exercise caution
when cleaning an ESM because its voltage is high.
Copyright © Huawei Technologies Co., Ltd.
If...
● Cables are too
thin.
● Cables are not
properly routed.
Cables are not
properly installed.
Cables are not
properly installed.
Cable insulation is
damaged.
4 Maintenance
Then...
● Replace the cables
with cables of the
required thickness.
● Route the cables
properly.
Replace the cables and
adjust the cable
routing.
Adjust the cable
routing to prevent
cable overheating.
Reinsulate the cables
with insulation tape.
48