9
10
11
Maintenance
Put mask or protective glass when approach battery, make sure not put battery next to fire/ smoking place. It can
prolong battery life and easy to judge when battery need replacement by proper maintenance. If the maintenance
way differs from this manual, users can only make the maintenance method according to battery usage and
using reliability. All maintenance needs the professionals to execute.
1
Checking
Try to make all checking under float charging conditions. Measurements should be made according to
specification from suppliers and keep the records for future collation.
1
1 Monthly checking
Record for monthly checking
1
1
1 All batteries float charging voltage
1
1
2 Current and voltage from charger
1
1
3 Temperature, ventilation and monitor equipments situation.
1
1
4 Eye check record for battery string:
1) Battery appearance: terminal, connector, any corrosive phenomena with battery rack.
2
The clearance region between batteries and rack
3
Any phenomena of crack or leakage for battery
4
Any phenomena of deformation for battery and rack
1
2 Quarterly checking
Apart from checking clause of above 1.1 as quarterly checking,
1
Resistance per block
2
Temperature of negative terminal for each battery
3
Check connect resistance at random ( at least check 10% or not less than 6 connectors), if resistance is
higher than initial resistance, then need to check all connectors' resistance and dig out reason.
1
3 Yearly checking and initial checking
Apart from checking clause of above 1.1 and 1.2 as yearly checking ,
please also checking following
issues and keep record ( Need to collate with previous records.
1
Check all connector resistance;
2
Try to check AC current and voltage from rectifier.
1
4 Special checking
Batteries need inspection to check if they were get damaged in special situation (like over-discharge,
abuse charging machine or charging machine can not work properly ect). The inspection
includes all
yearly checking clause and make records.
2. Ripple Voltage of rectifier
We recommend ripple Voltage of rectifier should not be bigger than 0.5% of charging voltage, and librating ripple
time should be shorter than 8 millisecond.
3. Battery cleaning
Use water or carbonic acid water to clear battery and cover.
4. Capacity test
If batteries can work properly, no need to check capacity. Only to check capacity when doubt battery capacity.
Battery cut voltage after discharge should not be lower than suppliers specification. Before capacity testing,
make sure battery get fully charged for more than 48 hours under float charge, if not, make a equalization charge
for 24 hours then let batteries rest for 8-24 hours.
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12
Common Faults & Solutions
Common Faults & Solutions
1
2
3
4
5
6
7
No.
Common Fault
Solution
Leakage
Pls contact the supplier for replacements.
Crack
Low floating V.
Battery less capacity
High temp.round pole
Abnormal Appearance
Grounding Fault
Abnormal connect & inner
resistance
Pls contact the supplier for replacements.
After 24-48hrs equalization charger, still low,
Inspect connect point, charger, ventilation and
charging current.
Pls contact the supplier for replacements.
Check leakage or ground faulty.
Check good connect or charging method.
After 24-48hrs equalization charger, still low,
8
