Ryobi RY9904 User Manual download pdf (Page 11)

9 − English

OPERATION

GREEN

LED

RED

LED

ALARM

CONDITION

ACTION

Flash — — The battery is charging.

Monitor battery until charging is

complete.

On — — The battery is fully charged.

When charging is complete, the

maintainer will go into Float Mode.

— ON Beeps Continuously The battery’s polarity is reversed.

Reverse the position of the battery

cable’s clamps/rings on the battery’s

terminals.

— Flash Beeps Continuously

Battery or battery maintainer is

defective.

If defective, try to repeat the conditions

a second time by disconnecting and

reconnecting the battery charging

cables. If the LED status repeats a

second time, try charging a different

battery. If a different battery charges

normally, dispose of the defective

battery. If a different battery also

indicates “Defective”, the maintainer

may be defective.

ELECTRONIC FEEDBACK

NOTE: Be careful not to short across the terminals when

installing. Shorting the terminals together can cause

sparks, damage to the battery or generator, or even burns

or explosions.

CHARGING

See Figures 6 - 7.

 Ensure the voltage selector switch is in the off position.

 Connect the battery maintainer to the power supply. Make

sure the power supply is normal household voltage, 120

volts, AC only, 60 Hz.

 Attach battery charging cable to the battery maintainer

and then to the battery.

 Slide the voltage selector switch to the appropriate

voltage setting.

 Once charging begins, the green LED should start to flash.

NOTE: If the green LED does not flash or if the red LED

comes on, the battery is not charging properly. Turn

the battery maintainer off and refer to the Electronic

Feedback section for solutions.

 The battery will become slightly warm to the touch while

charging. This is normal and does not indicate a problem.

 When charging is complete, the green LED will remain on

continuously. This indicates the battery is fully charged

and the maintainer is in Float Mode.

 The maintainer will periodically wake from Float Mode to

ensure the battery remains in a fully charged state.

 When you remove the battery, disconnect the negative

(black) wire first, then the positive (red) wire, being careful

not to short across the terminals. Always abide by the

safety warnings provided with the battery.

NOTE: It is highly recommended that you refer to your

battery manufacturer’s instructions for specific charge

times.

 Unplug charging cable and store for later use.

NOTE: Place end cap onto the battery charging cable

when not in use.

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Ryobi RY9904 User Manual Page 11

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