STERWINS UP40 - Page 205

204
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8.3 TROUBLESHOOTING
DANGER ! Risk of injury due to electric shock.
Warning ! Before any trouble shooting, switch o the product.
Problems Probable causes Solutions
Qualication
required
Product does
not blow
Blocked tube
Clear the blockage
No specic
qualication is
required
Blocked impeller
Battery is not secure
To secure the battery pack,
make sure the latches on the
top of the battery pack snap
into place
Battery is not charged
Charge the battery pack
according to the instructions
included with your model
Product does
not start
Battery is not secure
To secure the battery pack,
make sure the latches on the
top of the battery pack snap
into place
No specic
qualication is
required
Battery is not charged
Charge the battery pack
according to the instructions
included with your model
Power/speed switch is in the
OFF position
Press the on/o switch
Tubes are not correctly
installed
Check tubes to ensure that
they are allowing the switch
to be engaged when correctly
installed
Battery pack not properly
attached
Attach properly
On/o switch not set on ON
position
Refer to chapter “Start the
product”
Product does
not reach full
power
Battery pack capacity too
low
Charge battery pack
No specic
qualication is
required
Air vents are blocked Clean the air vents
Result is
unsatisfactory
Nozzle not properly
assembled
Refer to chapter “Attaching/
Removing the tube ”
No specic
qualication is
required
Vibration
or noise is
excessive
Nozzle not properly
assembled
Refer to chapter “Attaching/
Removing the tube ”
No specic
qualication is
required
Bolts/nuts are loose Tighten bolts/nuts