Nederman Electrical Serie Manuel De L'utilisateur page 27

The motor will not Electrical supply not connec-
start ted.
Thermo switch not reset or de-
fect (T-mod).
Power switch or cable defect.
Radio noise suppression card
defect.
None or bad suc- Motor not connected correctly.
tion capacity.
The switch is not completely
turned on.
Clogged suction hose or inlet.
One or two motors defect.
Clogged filter.
Leaking suction hose.
Leaking gaskets.
Discharge valve open.
Dust in exhaust air. Filter missing, defect or
wrongly installed.
Water in the ex- Filter basket or float ball
haust air. wrongly or not installed.
Filter basket or float ball de-
fect.
Abnormal noise Leaking gaskets.
level.
Sound absorbing material de-
fect.
The vacuum unit is Defect thermo switch (T-mod).
overheated.
Connect the electrical supply.
Dismantle top cover and clean or exchange cooling
air filter. Reset the thermo switch.
If the thermo switch is defective, please contact the
distributor.
Contact the distributor.
Contact the distributor.
Check connection and wiring.
Turn the switch on.
Disconnect the suction hose. Turn and suck in the op-
posite direction. If still clogged, unclog it with a rod.
Dismantle the top cover, check the brushes and com-
mutators. Replace the brushes if they are worn out.
Contact the distributor if the commutators are burnt.
See Chapter 6 Maintenance.
Replace the suction hose.
Remove and replace damaged neoprene gaskets.
Use suitable two-component glue.
Close valve.
Check the filter and replace it if necessary.
Reattach filter basket or float ball.
Replace.
Remove and replace damaged neoprene gaskets.
Use suitable two-component glue.
Dismantle the top cover and remove dirt. Replace
damaged silencing material, if necessary.
Dismantle the top cover and clean or exchange the
cooling air filter. Reset the thermo switch. If the
thermo switch is defective, please contact the dis-
tributor.
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