General; Troubleshooting And Solutions - Narada NPFC Series Operation Manual

Maintenance
Chapter Five/05

General

Proper maintenance will prolong the life of a battery and will aid in assuring that it can satisfy its
design requirements. A good battery maintenance program will serve as a valuable aid in determining
the need for battery replacement. The users must consider their application and reliability needs
if maintenance procedures, other than those recommended in this document, are used. Battery
maintenance should be performed by personnel knowledgeable of batteries and the safety
precautions involved.
■ The battery shall be recharged every three months if in long time storage
■ Please clean the dust by the dust collector when dust is accumulated on vent
■ Please use clean and dry cloth/fabric to clean up the cabinet, if need further cleaning, please use
neutral cleanser. Alcohol or ammonia synthesis is forbidden.
■ Carrying shall be handled gently, prevent from severe compact
■ Prevent battery from splashing liquid
■ Suggest inspect the tighten of output screw every two years
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Troubleshooting and Solutions

Table 5-1 Troubleshooting and Solutions
Troubles Troubleshooting
Protection against under-voltage
Protection against over-temperature or under-
temperature (cell temperature is lower than -20°C
or higher than 70°C)
Battery cannot
Battery output is short circuit
discharge
Protection against over current
System failure
Battery is fully charged. Normal charge
management
Protection against over voltage
Protection against over-temperature or under-
Battery cannot
temperature (cell temperature is lower than -10°C
charge
or higher than 70°C)
System failure
All LED indicators
System failure
on
Fault of communication cable
Halt of System communication management
Communication
failure
System failure
Different flash status of LED indicators represents corresponding running status or alarms. Detailed
information is shown Annex 1.
Note: The improvement of product and technology, and the possible of battery specification and appearance
changes, Narada hold the right of final explanation!
NPFC Series
LiFePO Battery Module for Telecom
4
Solutions
Charge battery
Regulate cell temperature in
the range of -20°C to 70°C for
discharge
Relieve short circuit and charge
battery
Remove some unimportant load
and charge battery
Shutdown system and call
maintenance service
Do not need to solve
Do not need to solve
Regulate cell temperature in the
range of 0°C to 55°C for charge
Shutdown system and call
maintenance service
Shutdown system
Call for maintenance service
Inspect communication cable
Press RESET button
Shutdown system
Call for maintenance service
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