90520380 Lopper w batt revised 8/27/07 10:58 AM Page 14

Troubleshooting Section

If your Chain Saw does not operate correctly check the following:

Problem

Possible Cause

Possible Solution

• Tool will not

Battery not

Check battery installation.

start.

 

installed properly.

 

 

 

Battery not

Check battery charging

 

 

charged.

 

requirements.

• Unit will not

• Battery not

charge.

inserted into

 

charger.

Insert battery into charger until red LED appears. Charge up to 8 hours if battery totally drained.

Bar / chain

Chain too tight.

• Refer to “adjusting chain

 

 

 

overheated.

 

 

tension” section.

 

 

 

 

 

 

 

 

 

 

Lubrication

• Refer to “chain oiling”

 

 

 

 

 

needed.

section.

 

 

 

 

 

 

 

 

 

Chain is loose.

Chain tension set

• Refer to “adjusting chain

 

 

 

 

 

incorrectly.

tension” section.

 

 

Poor cut

Chain tension set

• Refer to “adjusting chain

 

 

 

 

quality.

 

incorrectly.

tension” section.

 

 

 

 

Chain needs

Note: Excessive tension

 

 

 

 

 

replacement.

leads to excessive wear

 

 

 

 

 

 

and reduction in life of bar

 

 

 

 

 

 

& chain. Lubricate before

 

 

 

 

 

 

each cut.

 

 

 

 

 

 

Refer to “replacing the

 

 

 

 

 

 

chain” section.

 

Unit runs but

Chain installed

• Refer to sections for

 

 

 

does not cut.

 

backwards.

installing and removing

 

 

 

 

 

 

chain.

 

Oil is not getting to chain.

• Sawdust / debris is •

Remove battery, remove

accumulated under

sprocket cover. Clean out

sprocket cover.

accumulated sawdust / debris.

 

14

Page 14
Image 14
Black & Decker NLP1800, 90520380 instruction manual Troubleshooting Section, Problem Possible Cause Possible Solution