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(1) Failure Mode (A) Steps and Repair Procedures
Use a tester to check voltage.
The battery was inserted into
the adapter, but the Battery
Set lamp remains off.
Rated voltage on power outlet?
YES
Adapter terminal
resistance 1kΩ or
more?
NO
Charger and terminal
(A) dirty?
NO
(S)-(-) battery terminal
resistance 2k to 100kΩ?
YES
The printed circuit board is
defective.
Replace the printed circuit
board unit.
NO
Apply rated voltage.
The rated voltage is 230 VAC.
YES
Replace AC adapter.
YES
Clean both parts. Check for
terminal (A) deformation.
NO
Replace battery.
-7-
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