Troubleshooting - Craftsman 151.74326 Operator's Manual

PROBLEM
Product does not
start
Product does not
reach full power
Unsatisfactory
result
Excessive
vibration/noise or
exhaust
Product runs hot,
smoke comes off
Chain is not
rotating but motor
runs
Motor runs,chain
rotates but does
not cut

TROUBLESHOOTING

POSSIBLE CAUSE
1. Battery pack not properly
attached
2. Battery pack discharged
3. Battery pack damaged
4. Other electrical defect to the
product
1. Battery pack capacity too low
2. Air vents are blocked
1. Saw chain not tensioned
properly
2. Dull saw chain
1. Saw chain is dull or damaged
2. Bolts/nuts are loosen
3. Oil is incorrect
1. Chain oil reservoir empty
2. Chain tension too tight
1. Chain tension too loose
2. Guide bar or saw chain
damaged
3. Chain oil reservoir empty
1. Dull chain
2. Chain on backwards
26 ― English
SOLUTION
1. Attach properly
2. Remove and charge battery pack
3. Replace with an identical one
4. Have product checked by a
qualified service center
1. Charge battery pack
2. Clean the air vents
1. Tension properly
2. Sharpen or replace the saw chain
1. Sharpen or replace the saw chain
2. Tighten bolts/nuts
3. Empty out unused oil and refill
with the correct oil
1. Refill with the correct oil
2. Adjust the chain tension
1. Adjust the chain tension
2. Replace with new parts
3. Refill with the correct oil
1. Sharpen chain
2. Reverse direction of chain