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Hitachi Koki UC 36YRL Service Manual page 7

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(3) Trouble mode (C)
Pilot lamp remains green (red fails to light)
after battery has been connected.
Is ambient temperature
within designated range (between
0 C and 40 C) ?
Is the
battery very
hot ?
Are the connection
terminals of the charger
or the battery dirty or
deformed ?
Is the resistance
between (LS) and ( --- ) terminals
2 K Ω to 100 K Ω ?
Faulty internal circuits
Replace PCB.
NO
YES
YES
NO
YES
NO
NO
YES
Conduct charging within
designated temperature range.
0 C to 40 C
Allow battery to cool prior to
charging.
Charging cannot be accomplished if
battery temperature is above 50 C.
Clean, or repair deformed
terminals.
Replace battery.
- -

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