(2) Overheat warning lamp

Off

Flashing: Overheat

(normal

Indicates operation has

operation)

been halted due to

 

 

battery overheating.

The overheating protection feature halts operation to protect the battery pack in the event of overheating. The overheat warning lamp on the control panel flashes when this feature is ac- tive.

If the overheating protection feature activates, allow the driver to cool thor- oughly (at least 30 minutes). The bat- tery is ready for use when the overheat warning lamp goes out.

Avoid using the driver in a way that causes the overheating protection fea- ture to activate repeatedly.

(3)Battery low warning lamp

Off

Flashing

(normal

(No charge)

operation)

Battery protection

 

feature active

Excessive (complete) discharging of lithium ion batteries shortens their service life dramatically. The tool in- cludes a battery protection feature designed to prevent excessive dis- charging of the battery pack.

The battery protection feature acti- vates immediately before the battery loses its charge, causing the battery low warning lamp to flash.

If you notice the battery low warning lamp flashing, charge the battery pack immediately.

[Battery Pack]

For Appropriate Use of Battery pack

Li-ion Battery pack (EY9L40/ EY9L41)

For optimum battery life, store the Li-ion battery pack following use without charging it.

When charging the battery pack, con- firm that the terminals on the battery charger are free of foreign substances such as dust and water etc. Clean the terminals before charging the battery pack if any foreign substances are found on the terminals.

The life of the battery pack terminals may be affected by foreign sub- stances such as dust and water etc. during operation.

When battery pack is not in use, keep it away from other metal objects like: paper clips, coins, keys, nails, screws, or other small metal objects that can make a connection from one terminal to another.

Shorting the battery terminals together may cause sparks, burns or a fire.

When operating the battery pack, make sure the work place is well ven- tilated.

When the battery pack is removed from the main body of the tool, re- place the battery pack cover imme- diately in order to prevent dust or dirt from contaminating the battery ter- minals and causing a short circuit.

- 13 -

Page 13
Image 13
Panasonic EY4541 Battery Pack For Appropriate Use of Battery pack, Li-ion Battery pack EY9L40/ EY9L41