Hitachi UC 18YML2 Technical Data And Service Manual page 18

(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
Is the battery very hot?
Are the connection
terminals of the charger or
battery dirty or deformed?
Is the resistance between
(LS) and (-) terminals
2 KΩ to 100 KΩ?
Faulty internal circuits
Replace the PCB.
NO
C and 40 C)?
º º
YES
YES
NO
YES YES
NO
NO
YES
-16-
Conduct charging within
designated temperature range.
0ºC to 40ºC
Allow battery to cool prior to
charging.
Charging cannot be accomplished if
battery temperature is above 50ºC.
Clean or repair deformed
terminals.
Replace the battery.