Nederman Bb104 NEL3, Instruction Manual

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Trouble Shooting
Problem Fault Solution
Motor will not start Electrical supply not connected Connect the electrical supply.
Thermoswitch not reset or defect (T-mod) Dismantle top cover and clean or exchange
cooling air filter. Reset the thermoswitch. If the
thermoswitch is defect, please contact the
distributor.
Switch supply or cable defect Contact the distributor
Radio interference suppression defect Contact the distributor
None or bad suction capacity Switch not completely turned on Turn switch on
One or two motors defect Dismantle top cover, control the brushes and
commutators. If the brushes are worn out, please
replace. If the commutators are burnt, contact the
distributor.
Clogged suction hose or inlet Disconnect suction hose. Turn and suck in the
opposite direction. If still clogged, open it with a
rod.
Clogged filter For filter bag and cartridge filter cleaning; please
see operation instruction.
NCF filter cleaning; check filter cleaning
function by listening to noise from blow-out
valve. If not in operation, check quick coupling
and function of blow-out valve.
Leaking suction hose Tape or replace suction hose.
Leaking gaskets Damage on neoprene gasket; remove and
replace. Use suitable two-component glue.
Discharge valve open. Close valve
Dust in exhaust air Filter wrongly or not installed Check the filter and change if necessary.
Filter defect Change filter.
Water in exhaust air Filter basket or float ball wrongly or not
installed Reattach filter basket or float ball.
Please see operation instruction.
Filter basket or float ball defect Change.
Abnormal noise level Leaking gaskets Damage on neoprene gasket; remove and
replace. Use suitable two-component glue.
Sound absorbing material defect Dismantle the silencer hood and remove dirt.
Replace damaged silencing material.