1) Check your hose to see if there is nothing stuck inside.

2) Check the suction power in all the outlets, if one or more outlet has good suction then the problem lies within the piping system.

3) Check to make sure the bucket is well installed and clamped to the main head.

4) Check the suction power at the unit by disconnecting the piping from the “IN”. If there is suction, the problem lies within the piping system.

5) If the unit has two motors, make sure that both motors are working.

6) Check if your dust bag is not full. If so, please install a new bag and retry the unit for suction power. If you do not have a replacement bag, you can use the unit without.

7) Clean the main filter by washing it with a damp cloth and drying it out thoroughly. Re install the main filter and check the unit for suction power. THE MAIN FILTER MUST BE INSTALLED AT ALL TIMES.
 

1) Check the circuit breaker on your electrical panel.

2) Check the circuit breaker of the unit.     

3) Check the 24 volt circuit:                                            

To check the 24 volt circuit, proceed as follow;

Establish the contact between the two ports of a wall mounted air inlet valve with a piece of metal (ex. coin). If the system starts, the suction hose is defective. If the system does not start check the 24 volt circuit on the unit; Establish the contact between the two screws of the 24 volts circuit plate using a piece of metal (ex. Screw driver) . If the unit starts, the 24 volt wire is either cut OR unplugged from one of the wall mounted air inlet valves.                                    

If the system still do not start after steps 1, 2 and 3, the printed circuit is defective.

Call your dealer.
 

Problem: The Unit Will Not Stop

1) Check the 24 volts circuit as follows:

Disconnect one of the two 24 volt wires on the unit . If the unit stops, the two wires are in contact somewhere in the circuit OR a wall mounted air inlet valve is defective. If the unit does not stop, the printed circuit is defective. Call your dealer.
NOTE:- If you notice a vibration coming from the motor, call your dealer.