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TROUBLESHOOTING

4.5

Symptom/Situation

Probable Cause

Corr

ective Action

Indicator (lamp) is not

showing stand by

mode (RED blinking) when

charger is plugged in.

AC power supply cord not
connected to wall outlet.
Power supply cord not
connected to battery charger. 

Bad power cord.

Bad charger.

Check power cord
connections. 

Replace power cord.

Replace charger.

Impossible to charge indicator
is 

displayed. (Rapid RED blinking)

Faulty condition identified.

Defective Batter

y.

Remove battery f

rom

charger and reinsert. 

Replace battery.

Charger will not go into Charge

mode. (GREEN solid indicator) 

Battery not seated correctly.

Bad charger.

Defective batter

y.

Re-insert battery.  

Replace charger.

Replace battery.  

Battery becomes hot

Defective batter

y.

Immediately r

emove battery

from charger and replace.

TA04684  A

www.tnb.com

Battery Charger

144-CHR-LI

STAND BY
CHARGING
80% COMPLETION
COMPLETION
AUXILIARY CHARGE
HIGH or LOW TEMPERATURE
IMPOSSIBLE TO CHARGE

WARNING

 READ INSTRUCTION MANUAL 

BEFORE USING THE CHARGER.

 DO NOT SHORT CIRCUIT 

TERMINALS.

 DO NOT EXPOSE TO MOISTURE.

 DO NOT USE WITH A GENERATOR.

 DO NOT BLOCK THE VENTILATION 

SLOTS.

 USE ONLY THOMAS & BETTS 

BATTERY 144-BAT-LI.

 Insert the battery into the charger. When the battery is inserted, the charging system begins and the indicator lamp lights 

green. When the charge cycle is completed, the indicator lights orange, and the battery is fully charged. A charged battery 
may be stored in the charger indefinitely.

• If indicator lamp lights red upon battery insertion, the battery is too hot or cold. Remove the battery from the charger and 

allow it to reach room temperature before charging.

• If indicator lamp blinks red rapidly upon battery i

nsertion, the battery is impossible to charge and must be replaced.

CHARGING THE BATTERY

4.4

INDICATOR LAMP

BLINKING RED:

• Charger in stand by mode, ready 

for battery.

SOLID GREEN:

• Battery is charging.

RAPID BLINKING GREEN:

• Battery charging 80% complete

.

SOLID ORANGE:

• Battery charging 100% complete.

SOLID RED:

• 

Battery temperature too high or low.

RAPID BLINKING RED:

• Defective battery, impossible to 

charge.

BATTERY STATUS DISPLAY

4.3

TA04683  A  Page 4 of 4

For parts and service, contact the tool service center at 1-800-284-TOOL (8665).

©

 2012 Thomas & Betts. All Rights Reserved.

Thomas & Betts Corporation.

Memphis, Tennessee

www.tnb.com

WARRANTY: 

Thomas & Betts sells this product with the understanding that the user will perform all necessary tests to determine the suitability of this product 

for the user's intended application.  Thomas & Betts warrants that this product will be free from defects in materials and workmanship for the period stated on 

the  enclosed  warranty  card.  Upon  prompt  notification  of  any  warranted  defect,  Thomas  &  Betts  will,  at  its  option,  repair  or  replace  the  defective  product  or 
refund the purchase price.  Proof of purchase is required. Misuse or unauthorized modification of the product voids all warranties.

Limitations and Exclusions:

  THE ABOVE WARRANTY IS THE SOLE WARRANTY CONCERNING THIS PRODUCT, AND IS IN LIEU OF ALL OTHER 

WARRANTIES EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A 
PARTICULAR PURPOSE, WHICH ARE SPECIFICALLY DISCLAIMED. LIABILITY FOR BREACH OF THE ABOVE WARRANTY IS LIMITED TO COST OF 
REPAIR OR REPLACEMENT OF THE PRODUCT, AND UNDER NO CIRCUMSTANCES WILL THOMAS & BETTS BE LIABLE FOR ANY INDIRECT, 
SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES.

Summary of Contents for 144-CHR-LI

Page 1: ...THIS GUIDE 2 1 2 DESCRIPTION 2 1 3 SAFETY GUIDELINES 2 2 0 PARTS ACCESSORIES 2 2 1 CHARGER 2 2 2 POWER CORD 2 3 0 SPECIFICATIONS 3 3 1 CHARGER 3 3 2 BATTERY PACK 3 4 0 OPERATING INSTRUCTIONS 3 4 4 1 OPERATING TEMPERATURE RANGES 3 4 2 POWER CORD CONNECTION 3 4 3 BATTERY STATUS DISPLAY 4 4 4 CHARGING THE BATTERY 4 4 5 TROUBLESHOOTING 4 WARRANTY 4 ...

Page 2: ...nstructions and cautionary markings on the charger battery and on any product using the battery WARNING To reduce risk of injury use this charger only with authorized products Other batteries or adapters may cause personal injury and or damage Do not expose the charger to rain snow or direct sunlight Use the charger at an ambient temperature 50 F 10 C to 95 F 35 C Place the charger in a well venti...

Page 3: ...OF GROUNDED OUTLET BOX ADAPTER METAL SCREW Connect the power cord and charger to a nominal 110 220 AC volt circuit The indicator lamp should blink red indicating stand by mode If the power light on the charger fails to light an internal fuse may have blown and must be serviced by the manufacturer Return the charger for repair or replacement immediately A temporary adapter can be used to connect th...

Page 4: ...erature before charging If indicator lamp blinks red rapidly upon battery insertion the battery is impossible to charge and must be replaced CHARGING THE BATTERY 4 4 INDICATOR LAMP BLINKING RED Charger in stand by mode ready for battery SOLID GREEN Battery is charging RAPID BLINKING GREEN Battery charging 80 complete SOLID ORANGE Battery charging 100 complete SOLID RED Battery temperature too high...

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