English - 13TroubleshootingWhilst every measure has been undertaken by themanufacturer to ensure smooth reliable operation ofthe machine, sometimes problems can arise.The following possible problems may arise:1. The machine will not run.Ensure power connected to machine is on. Ifmachine still will not run, remove cover from controlbox and test for presence of power supply at stop/run switch. If no power at stop/run switch, testpower supply at power source. This should only beperformed by a licensed electrician.2. The machine makes a buzzing sound whenswitched to ON.This often indicates a problem with one of the treevacuum motors. One or more motors may needreplacing.3. The machine has very little suction.This normally indicates one of the following possibilities:- Primary fi lters are blocked - Solution: Vibratefilters.- Secondary fi lter is blocked - Solution: If largeamounts of dust is collecting in secondary fi lter it ismost likely primary fi lters need replacing.- One or more vacuum motors are not working -Solution: Check vacuum motors for correct function.- One or more seals in the machine are not workingproperly - Solution: Check seals on the vacuumunit and replace if required.- Flap on collection cone is not closing properly -Solution: Remove obstruction between flap andcollection cone.4. The machine is blowing dust out of the vacuummotor and secondary filter housing.Normally this indicates one of the following:- The secondary fi lter is not installed properly anddust is bypassing it. Ensure the seal on the end ofthe secondary filter is in good order and makingproper contact with vacuum motor mounting platform when installed.- The secondary fi lter needs replacing.Troubleshooting