Denso BHT-604B User Manual page 27

Charging with the battery charger (CH-201A and CH-704)
1.
Check the battery cartridge terminals and insert the
cartridge.
2.
Connect the power cable to the CH-201A and
connect the plug to a commercial AC power source
(230 V AC).
The LED will turn red when charging is commenced.
3.
The LED will turn OFF when charging is complete.
 Point 
 Charging takes approximately 3 hours.
An only slightly discharged battery

cartridge should take this time to
become fully charged.
Take proper steps if the LED is blinking

in red.
a. Detecting the abnormal temperature
of the battery cartridge.
Charge at the right temperature(0 to 40
degree). Avoid the direct sunlight or
something hot.
Stop the charging if under the proper
environment.
b. Bad electrical contact.
Wipe any dirt from battery cartridge
terminals with refer to "Chapter 6.3
Daily Maintenance".
c. Failure or life of battery cartridge.
Replace the new battery cartridge.
Barcode Handy Terminal
Terminal
Red LED ON
OFF
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