Caution when Installing the BHT to the CU
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Place the BHT on the CU carefully. Insert the BHT along the guides at the both sides of the CU.
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If the BHT does not fit into the guides smoothly, take it off and confirm that there is no foreign object
which blocks the insertion. Then, insert the BHT again. Be sure not to install the BHT forcedly.
When the red LED of the BHT is blinking, the conceivable causes are as follows.
Take an appropriate action.
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The battery of the BHT main body is not mounted.
Mount the battery of BHT main body.
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Contact of the electrodes is weak.
Wipe the dirt, etc. on the electrodes and charge the battery again.
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An abnormal temperature of the battery is detected.
Charge the battery in an appropriate temperature condition (0°C to 40°C).
Move the BHT away from the areas where any heat generating materials exist in the vicinity, and the
areas which are exposed to direct sunlight.
When there is no heat generating material in the vicinity, stop charging the battery and replace it.
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Charging is not completed even after the designated charging time has passed.
Charge the battery again in the spare battery charging slot of the CU.
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Failure or end of life of the battery
Replace the battery with a new one.
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The battery has been left for a long time as there is no remaining battery charge.
Charge the battery again in the spare battery charging slot of the CU.
Remove the battery from the BHT main body or the Cradle and store at cool and dry place, when you don’t
use your BHT for an extended period of time.
Check the condition of battery on the following points before you store it for a long time:
- If the battery is full charged (a state right after charge is completed), and
- If the remaining battery level is very low (there is not enough power left to activate the BHT).
Long-term storage under these conditions may deteriorate the performance and life of the battery. You are
recommended to ensure that the battery is at least at the
charge level required for long-term storage
In addition, even you don’t use the battery for a long term, keep this power level by recharging once a year
in order to maintain the battery performance.
