12
GENERAL TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
The electric motor does
not start, and the battery
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The battery is not fully
charged or not inserted
correctly.
Charge the battery fully and insert it
correctly.
The motor does not start,
and the battery indicator
/('ÀDVKHV\HOORZ
The battery is overheated.
Allow the battery to cool to room
temperature. Re-start the tool after about
30 minutes.
The motor does not start,
and the battery indicator
/('ÀDVKHVJUHHQ
There is a short circuit in the
electric motor or the motor
drive lines.
Check if there is a short circuit in the
electric motor or the motor drive lines
referring to page 35.
The motor does not start,
and the battery indicator
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red and green.
The starting current is
H[FHVVLYHWKHHQJLQHRU
electric motor may be seized
or cannot rotate smoothly.
Check if the engine or the electric motor is
stuck and cannot rotate smoothly referring
to page 35.
The motor does not start,
and the battery indicator
LED is continuously on.
There is an open circuit from
the PCB output to the motor
connecting line.
Check if there is an open circuit from the
PCB output to the motor connecting line
referring to page 35.
The motor starts, but the
engine does not start.
The starter drive system is
broken.
1. Remove the electric starter. Replace
the drive system.
2. If drive system of the starter is in good
condition, the engine may be broken.
The engine does not start.
No spark or weak spark.
Clean or replace the spark plug. Reset the
spark plug gap 0.026”±0.002” (0.65±0.05
mm).
Check the gap between ignition coil and
À\ZKHHO0DNHVXUHWKHJDSLV´
0.015” (0.3-0.4 mm).
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&OHDQWKHDLU¿OWHU
The fuel tank valve is
blocked.
Remove the blockage or replace.
Incorrect lubricant/fuel.
Use correct lubricant/fuel.
Fuel tube is blocked or
broken.
Clean or replace.
Incorrect carburetor
adjustment.
Re-adjust the carburetor.
The carburetor is blocked.
Remove the blockage.
([FHVVLYHRLOLQFDUEXUHWRU
Tighten the carburetor nut or replace the
carburetor washer.
Cruise control lever is in
down position.
Adjust the cruise control lever to up
position and then restart.
Summary of Contents for NPTBL26A
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Page 40: ......
