Charging Operation And Led Indicators - Denso BHT-1170BWB-CE User Manual

BHT-1170BWB-CE / BHT-1171BWB-CE
9.5.2

Charging Operation and LED Indicators

Operator Action
Place the BHT on the CU.
After approx. 3 hours
(standard rechargeable battery)
or 4.5 hours
(large-capacity rechargeable battery)
Remove the BHT.
− Point −
Charging takes approximately 3 hours (standard rechargeable battery) or 4.5 hours (large-capacity
rechargeable battery).
An only slightly discharged battery should take this time to become fully charged.
The indicator LED flashing in red indicates the following causes. The proper action stated below
must be taken.
・Abnormal temperature of the battery is detected.
・Charge the battery under the proper temperature (10° to 40° C ).
・Avoid places where there are objects generating heat nearby or exposed to direct sunlight.
・Terminate charging and replace the battery if there are no objects generating heat nearby.
・The charge terminals contact failure
・Wipe any dirt or dust from the charge terminals as described in "Chapter 6 Maintenance" – "6.4
Daily Maintenance".
・Charging is not completed even after the specified time has elapsed.
・Terminate charging and use a dedicated AC adapter to charge the battery.
・The battery is broken or the battery life has ended.
・Replace the battery.
CU
Power/Communications LED
Flashing in green
162
Charging Status
⇓
Charging complete
⇓
The over current protection circuit stops the charging output current when the
charging current exceeds current limit during charging.
The CU Power/Communication LED keep blinking in a 1 second time interval
until the AC adapter is unplugged and replugged to reset the over current
protection circuit.
Unplug and plug the AC adapter to reset the over current protection circuit.
If the over current protection circuit is activated again, stop using and consult
with the system administrator
Indicator LED on BHT
Standby
⇓
Charging
⇓
⇓
Standby
.
OFF
ON (red)
ON (green)
OFF