Troubleshooting - Black & Decker NHT524 Instruction Manual

• Slow running, noisy or hot blades. • Dry, corroded blades.
Problem
• Unit will not start.
• Battery wonʼt charge.
For assistance, visit our website www.blackanddecker.com for the location of the service center nearest you or call the BLACK &
DECKER help line at 1-800-544-6986.
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TROUBLESHOOTING

Possible Cause
• Blades or blade support bent.
• Bent or damaged teeth.
• Loose blade bolts.
• Battery not installed properly.
• Battery not charged.
• Lock off not fully operated.
• Battery not inserted into charger.
• Charger not plugged in.
• Surrounding air temperature too hot or too cold.
Imported by
Black & Decker (U.S.) Inc.,
701 E. Joppa Rd.
Towson, MD 21286 U.S.A.
• Lubricate blades.
Possible Solution
• Straighten blade or blade support.
• Straighten teeth.
• Tighten blade bolts.
• Check battery installation.
• Check battery charging requirements.
• Check that lock off is fully forward prior to
moving main trigger.
• Insert battery into charger until green LED appears.
• Plug charger into a working outlet. Refer to
"Important Charging Notes" for more details.
• Check current at receptacle by plugging in a
lamp or other appliance.
• Check to see if receptacle is connected to a
light switch which turns power off when you turn
out the lights.
• Move charger and tool to a surrounding air
temperature of above 40 degree F (4.5°C) or
below 105 degree F (+40.5°C).
See 'Tools-Electric'
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