Sears 28.71988 Important Charge Immediately After Purchase Keep Fully Charged, Troubleshooting

Models: 28.71988

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10.5IMPORTANT:

10.5IMPORTANT:

CHARGE IMMEDIATELY AFTER PURCHASE

KEEP FULLY CHARGED

Charge the jump starter internal battery immediately after purchase, after every use and every 30 days.

All batteries are affected by temperature. The ideal storage temperature is at 70° F. The internal battery will gradually self-discharge (lose power) over time, especially in warm environments. Leaving the battery in a discharged state may result in permanent battery damage. To ensure satisfactory performance and avoid permanent damage, charge the internal battery every month.

11. TROUBLESHOOTING

PROBLEM

POSSIBLE CAUSE

REASON/SOLUTION

The jump starter won’t jump

Jump Start/USB Switch is

Turn ON the Jump Start/

start my car.

not turned ON.

USB Switch.

 

Clips are not making a good

Check for poor connection

 

connection to the battery.

to battery and frame. Make

 

 

sure connection points

 

 

are clean. Rock the clips

 

 

back and forth for a better

 

 

connection.

 

The jump starter battery is

Check the battery charge

 

not charged.

status by pressing the

 

 

button on the front of the

 

 

jump starter. See DIGITAL

 

 

DISPLAY FUNCTIONS

 

 

section of this manual.

 

The vehicle’s battery is

Have the battery checked.

 

defective.

 

The jump starter won’t

The 12V device is not

Turn on the 12V device.

power my 12V device.

turned on.

 

 

The jump starter battery is

Check the battery charge

 

not charged.

status by pressing the

 

 

button on the front of the

 

 

jump starter. See DIGITAL

 

 

DISPLAY FUNCTIONS

 

 

section of this manual.

 

The 12V device draws more

Disconnect the 12V device.

 

than 15A or has a short

The internal breaker will

 

circuit

automatically reset after a

 

 

minute or two. Try the 12V

 

 

device again. If it happens

 

 

again, replace the 12V

 

 

device.

The battery in the jump

The battery is bad (will not

Have the battery checked.

starter won’t hold a charge.

accept a charge).

 

The jump starter alarm

Connections are reversed.

Disconnect the jump starter

is on.

 

and reverse the clips.

10

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Sears 28.71988 Important Charge Immediately After Purchase Keep Fully Charged, Troubleshooting, Problem, Possible Cause