General; Troubleshooting And Solutions - Narada FEN4850 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.
FEN4850 batteries can be used at an altitude of less than 5000 meters. If the altitude more
than 5000 meters, it will affect the battery performance and life due to
pressure and temperature.
■ The battery shall be recharged every three months if in long time storage
■ 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 years
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Battery cannot
the decrease of air
Battery cannot
All LED indicators
Communication
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!

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
-30°C or higher than 70°C)
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-
temperature (cell temperature is lower than -0°C
charge
or higher than 65°C)
System failure
System failure
on
Fault of communication cable
Halt of System communication management
failure
System failure
Solutions
Charge battery
Regulate cell temperature in
the range of -20°C to 65°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
Restart Key Switch
Shutdown system
Call for maintenance service
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