Fukuda Denshi FCP-7101, Service Manual

Page: 26 / 170

Chapter 2
2 - 6
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Failures related to charging operations
Item to Check Method of Checking and Corrective Action Place to Check
Power cable Check that the power cable is plugged into the power
outlet and the AC adaptor. Check that the DC plug is
connected to the equipment. Power cable
DC plug
Battery Open the battery compartment cover on the botton of
the unit. Verify that the battery is present and that the
battery and unit are securely connected.
Verify also that the connecting cable is not
disconnected/broken. Connection between the
battery and unit
Cable
REFERENCE
P3-2
Battery voltage Check whether or not the battery voltage is +8.0 V or
higher. Battery voltage
●
Charge error LED is lit
Item to Check Method of Checking and Corrective Action Place to Check
Battery voltage
Check whether or not the battery voltage is +14.4 V
or higher
Battery voltage
Battery temperature Detach the battery from the equipment, and check
whether the battery is excessively hot or not. The
charge error LED comes on if the battery
temperature exceeds
70 °C.
Battery temperature
REFERENCE
P3-2
●
Charging operation ended normally, but the battery is nearly
uncharged.
Item to Check Method of Checking and Corrective Action Place to Check
Battery The number of charge and discharge cycles of
battery is about 300 although it depends on the
particular operating environment. The duration in
hours after charging shortens as the number of
discharges increases. If the battery cannot hardly be
charged, replace it. Battery