decon JWB2 - Page 25

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3
Start diagnosis
Battery itself can indicate
its capacity
Contact points are
deformed or have foreign
matter on them
Clean or repair
Charger is able to
charge a normal battery
Charger failure
Replace charger
Battery management
system failure inside
the battery
Proceed to the trouble-
shooting of the battery
management system
Yes
No
Yes
Yes
No
No
(4) Diagnosing Charger Communication Malfunction
If the charger is unable to charge due to a communication malfunction, perform a diagnosis by
referringtotheowchartbelow.