TECNOPLAST ITALY Srl Pag.8
TROUBLESHOOTING
NO SUCTION
CAUSE
SOLUTION
Fan turned-off
Check the connection and turn-on the fan
Inlet obstructed
Remove the obstacle
Outlet obstructed
Remove the obstacle
Electrical
protection
or
thermal-switch
intervention
Verify the electrical connection and re-arm
the protection
INSUFFICIENT SUCTION
CAUSE
SOLUTION
Inlet partially obstructed
Remove the obstacle
Outlet partially obstructed
Remove the obstacle
Wrong rotation of the impeller
Invert two phases in the motor panel
Piping breakage
Repair the pipe damage (call TECNOPLAST
Italy Srl)
LOUDNESS
CAUSE
SOLUTION
Impeller unbalanced
Call TECNOPLAST Italy Srl
Motor bearings used up
Call TECNOPLAST Italy Srl or substitute the
bearings
MOTOR HALT
CAUSE
SOLUTION
Electric motor short-circuit
Call TECNOPLAST Italy Srl
Motor bearings blocked
Call TECNOPLAST Italy Srl or substitute the
bearings
Wrong thermal-switch setup
Call an electrical technician to reset the
thermal-switch setup
Differential switch turns of
Verify the electrical connection and re-arm
the protection
No current on service socket
Verify the fuses and substitute if damaged
