18
7.0 Troubleshooting and correction
US
You have chosen the best quality and therefore deserve the best service. To avoid unnecessary disap-
pointments, you should check the following before contacting the nearest ALTO service organisation:
Fault
Cause
Correction
Machine will not start
A fuse has blown
Change the fuse
Power/plug not connected
Connect power/plug
Thermal switch in motor
Let the motor cool. Start the machine and
activated
check that the working pressure is
not too high and that the mains voltage
corresponds to the specifications.
KSA-2 Thermal switch in water tank Let the water cool and check that the inlet
water temp does not exceed 160°F.
Machine stops shortly
Wrong supply voltage
Check that the supply voltage corresponds
after the start
to the specifications on the model tag
(see section 1.1).
Air in the system
Vent the system (see section 3.4).
Fuses blow
Supply is inadequate
Correct the installation so it corresponds to
for the ampere
the ampere consumption of the machine
consumption of the machine
at a minimum. Change fuse.
Working pressure
KSA-1 Nozzle partly clogged
Clear nozzle (see section 6.4)
too high
Working pressure too low
High pressure cock by outlet Close all high pressure cocks not in use.
point not completely closed
KSA-1 Water regulation valve not
Completely open the water regulation valve.
set at max pressure
Turn in the direction of the indicator.
KSA-2 Wrong MULTIPRESSURE
Check whether the total water volume of the
spray lance
spray lances in use exceeds the capacity of
the system. If necessary, change to other
spray lances.
Pressure fluctuating
High pressure hoses too
Detach high pressure extension hoses and
long
(machine vibrates) retry. Extension hose
max. 160 ft. Avoid long extension hoses
with many couplings.
Air in the system
Vent the system (see section 3.4)
Water inlet screen clogged
Clean the screen (see section 6.3)
No working pressure
Nozzle clogged
Clear the nozzle (see sec. 6.4)
No inlet water
Check that the shut-off cock of the water
supply is open. Check that the water supply
is adequate (see section 1.2).
High pressure cock of
Close all high pressure cocks not in use.
outlet point is open
Water volume too
KSA-1 Water regulation valve not
Open water regulation valve completely.
low
set properly
Turn completely open in the direction of the
indicator.
KSA-2 Nozzle partly blocked
Clear the nozzle (see section 6.4).
Should other malfunctions occur than those mentioned above, please contact your authorized ALTO
servicing distributor.
Customer services (US only):
ALTO U.S. Inc.
Phone: 877-322-2586 (Tech Support)
1500 N. Belcher Rd
Clearwater, FL 33765