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Troubleshooting
Troubleshooting
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Decrease in suction
strength (cont.)
Blocked hose Plug the handle end of
the hose into the suction
inlet, thus reversing the
suction in the hose.
Cover the gap around
the handle, to ensure
suitable suction strength,
and ensure contact with
inlet contacts to start the
unit. This should clear
the hose.
Obstruction in the piping
system
Remove the screw from
the air intake connector,
to free the central
vacuum unit from the
piping system (see gure
3 on page 8). Start the
unit by plugging the
hose into a vacuum
inlet. By placing your
extended hand over the
air intake opening on the
unit, check the suction
strength on the unit itself.
If suction strength is
normal, the obstruction
is in the piping system.
If suction strength is
diminished or completely
absent, have the unit
checked by an authorized
service center.
If none of these suggestions restore suction strength, contact
your authorized service center.
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