Cyclo Vac HD Series Owner's Manual page 18

Troubleshooting
PROBLEM
strength
18
POSSIBLE CAUSE
Open vacuum inlet
Exhaust line is clogged
Blocked hose
Troubleshooting
CORRECTIVE ACTION
Close all vacuum inlets
not in use.
Verify that no object is
blocking the exhaust.
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