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UNO / DUO BOOSTER EXTENDED
Original Instructions
7 Trouble Shooting
You have chosen the best quality and therefore deserve the best service. To avoid unnecessary
dis-appointments, you should check the following before contacting the nearest Nilfi sk-ALTO service
organisation:
Symptom Reason Action
Machine will not start > A fuse has blown Change the fuse.
> Power/plug not connected Connect power/plug.
> Thermal switches in motor Let the motor cool. Start
activated the machine and check
that the working pressure is
> Thermal relay switched off not too high and that the
(red lamp fl ashes) mains voltage corresponds
to the specifi cations.
> Oil shortage in pump Replenish with oil.
DUO BOOSTER: > Water temperature too high Lower the temperature of the
(red lamp is on) inlet water to max. 70°C. By-
pass 80°C.
Fuses blow > Installation does not Change to an installation.
correspond to the ampere corresponding to the ampere
consumption of the machine consumption of the machine
at a minimum.
Change the fuse.
Working pressure too low > Nozzle worn Replace the nozzle.
> Wrong spray lance Replace the spray lance
(see section 4.4).
> Reduction valve of spray Turn reduction valve com-
lance not adjusted to max. pletely counter-clockwise
pressure. (see section 4.4).
> Nozzle partly clogged up Clean the nozzle
(see section 6.3).
Working pressure fl uctuating > Water temperature too high Lower the temperature of the
inlet water to max. 70°C. By-
pass 80°C.
> Insuffi cient water supply Dismount the cabinet and
check that the water tank is
not drained of water during
operation of the machine. If it
is, clean the water inlet fi lter
of the machine. If that does
not solve the problem, the
water supply for the machine
20


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Others manual(s) of Nilfisk-ALTO DUO BOOSTER 7

Nilfisk-ALTO DUO BOOSTER 7 Additional guide - English - 2 pages

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Nilfisk-ALTO DUO BOOSTER 7 User Manual - Dutch - 30 pages


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