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Troubleshooting
15 Tips for operators and service technicians
Any repairs exceeding routine maintenance may only be carried out by qualified personnel or our
service.
Prior to working on the unit or in case of danger, disconnect it from the mains.
Error
Possible cause
Remedy
Compressor will not start
No mains voltage
❯
Check the mains fuse; if nec-
essary, switch the circuit
breaker back on. If the fuse is
defective, replace it.
Undervoltage or overvoltage
❯
Measure the mains voltage;
call an electrician if necessary.
Pressure switch not switched on
❯
Switch on the pressure
switch.
❯
Inform a service technician.
Motor winding overheating pro-
tector tripped (overheating)
❯
Allow the unit to cool down.
Humming noise from motor
Motor capacitor is defective
❯
Replace the capacitor.
Compressor does not switch
off
Wrong size of compressor, air
intake too high
❯
Calculate the air requirement
(this can be up to 50 l/min per
treatment unit), if necessary
install a larger compressor.
Leak in the compressed air sys-
tem
❯
Locate and seal the leak.
❯
Inform a service technician.
Defective membrane drying unit
❯
Check whether there is an
increased flow of air at the fil-
ter housing of the membrane
drying unit (bottom), if neces-
sary replace the membrane
drying unit.
Compressor switches on from
time to time even though no
air is being taken for a con-
sumer unit
Leak in the compressed air sys-
tem
❯
Locate and seal the leak.
❯
Inform a service technician.
Knocking or loud noises on
the compressor
Compressor unit defective
❯
Disconnect all power from the
device and inform a service
technician.
Reduced delivery. Compres-
sor needs longer to charge
the pressure tank, see charg-
ing times in
Air intake filter dirty
❯
Replace the air intake filter at
least 1x per year. The air
intake filter must never be
cleaned.
Troubleshooting
9000-610-60/02 1909V007
41
EN
Summary of Contents for Tornado 1
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