Troubleshooting
Test the PCBA according to the procedure in the
diagnosing section, if it is broken, replace the
PCBA.
Bearings on the
motor shaft are worn
and seized.
Use a stick to turn the fan from the air inlet, if
the fan is not able to move, it means the
bearings are stuck. Replace the duct assembly.
Measure the resistance between any two of the
three cables of the motor by using a multimeter.
If the resistance is infinite, replace the motor
and ducted assembly.
The switch is
always in the on
position. The
blower cannot be
shut off.
The switch contacts
are stuck.
Switch in the handle
housing
Insert a good battery, if the blower will run
regardless of the switch is on or off , replace
the switch assembly in the handle housing.
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