Hitachi CR 18DMR instruction manual Battery overheated. Unable to charge

Models: CR 18DMR

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English

(1)Lamp indications

This charger is equipped with a charge time lamp that indicates remaining charging time, and a charge status lamp that indicates battery status as shown in Table 4.

(a)Charging time

After charging commences, the charge time lamp lights red indicating 30 minutes, orange indicating 20 minutes, and green indicating 5 minutes until completion. When the battery is fully charged, the charge status lamp lights green, and the buzzer sounds continuously for 6 seconds.

(b)Overheat standby

When the battery is overheated, it cannot be charged, and the charge time lamp flashes red (in 0.6 second intervals). Leave the battery inserted in the charger, and charging will commence when the battery cools down.

(c)Charging impossible

When there is a malfunction with the battery or charger, the charge status lamp flashes orange rapidly (in 0.2 second intervals), and the buzzer sounds intermittently for 5 seconds.

Table 4 Lamp indications

 

 

Lamp indications

 

 

 

 

 

 

Status lamp

 

Charging time

 

Lights

Lights continuously

30 minutes until charging complete.

Charge

30 minutes

 

red

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

time

Charging time

 

Lights

Lights continuously

20 minutes until charging complete.

lamp

20 minutes

 

orange

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(red/

Charging time

 

Lights

Lights continuously

5 minutes until charging complete.

orange/

5 minutes

 

green

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

green)

Overheat standby

 

Blinks

Lights for 0.3 seconds, off 0.3 seconds

Battery overheated. Unable to charge.

 

 

red

 

 

 

 

 

 

(Charging will commence when battery cools.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Charge

Before charging

 

Blinks

Lights for 0.5 seconds, off 0.5 seconds

Power cord is connected to

 

red

 

 

 

 

 

 

receptacle.

status

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lamp

Charging complete

Lights

Lights continuously

 

(red/

green

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

orange/

Charging

 

Blinks

Lights for 0.1 seconds, off 0.1 seconds

Battery or charger malfunction.

green)

 

impossible

 

orange

■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■

 

 

 

 

 

 

 

 

 

 

 

(2)Regarding the temperature of the rechargeable battery

The temperatures for rechargeable batteries are as shown in the table below, and batteries that have become hot should be cooled for a while before being recharged.

Table 5 Recharging of batteries that have become hot

Rechargeable batteries

Temperatures at which the battery can be recharged

 

 

EB1820L

23°F — 131°F (–5°C — 55°C)

 

 

EB1830HL

23°F — 122°F (–5°C — 50°C)

 

 

4. Disconnect battery charger from the receptacle.

CAUTION:

Do not pull the plug out of the receptacle by pulling on the cord.

Make sure to grasp the plug when removing from receptacle to avoid damaging cord.

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Hitachi CR 18DMR instruction manual Battery overheated. Unable to charge