Troubleshooting - Nilfisk-Advance SelectSpray 1500E 56011781 Instructions For Use Manual

SYMPTOM
Pump motor will not start, or stops
while operating.
Circuit breaker trips or fuse blows
GFCI trips.
Motor runs but there is no discharge
at nozzle when trigger mechanism is
squeezed.
Low or fluctuating pressure.
Oil appears milky or foamy.
Oil leaking from unit.
Center.
Detergent will not siphon into
Low Pressure Detergent mode.
Water flows back into detergent
container.
Water flows from the nozzle when the
trigger gun is in the "OFF" position.
18

TROUBLESHOOTING

PROBABLE CAUSE
GFCI tripped.
Tripped circuit breaker or fuse
blown in circuit fuse box.
Loose or disconnected plug.
Tripped circuit breaker in unit.
Unit is frozen.
Circuit overload.
Extension cord is too long or wire
is too small.
Incorrect voltage.
Electrical short to ground.
Inadequate water supply.
Kink in water inlet hose.
Kink in high pressure discharge hose.
Water inlet screen obstructed.
Pump sucking air. (Prime lost)
Not in high pressure mode.
Obstructed or worn orifice.
Bypass valve not operating correctly.
Water in oil.
DO NOT USE!!!!!
Detergent strainer is not completely
submerged in detergent solution
Detergent strainer is obstructed.
Detergent hose is obstructed, cut
or kinked.
Not in Low Pressure mode.
Nozzle assembly is plugged.
Too many high pressure hose
extensions attached to the water outlet.
Ball & Spring in Venturi stuck.
Ball & Spring in Venturi reversed,
missing or corroded.
Gun is malfunctioning.
Nilfisk-Advance Select Spray 1500E Operator's Manual
REMEDY
Turn unit "OFF". Test GFCI by
pressing reset button.
Disconnect all other plugs on the
circuit being used and reset circuit
breaker OR check and replace fuse.
Reconnect plug.
Allow to cool and restart unit.
Allow to thaw. If any part of the unit
becomes frozen: excessive
pressure may build up in the unit
which could cause the unit to burst
resulting in possible serious injury to
the operator or bystanders.
Check that the circuit is rated
1500 PSI/ 20A. Disconnect all plugs
on the circuit. When connecting to
a circuit protected by fuses, use time
delay fuses only.
Use correct electrical requirements
as listed on pg. 4.
Ensure electrical supply is
120 V/ 20 A/ 60 Hz.
Contact Nilfisk-Advance Service
Center.
Ensure hose is 3/4" diameter and
incoming water supply is turned on.
Remove kink.
Replace hose.
Remove screen, clean or replace.
Tighten all water intake connections
Eliminate leaks in intake line.
Turn the collar clockwise to engage
in the high pressure mode.
Remove and clean, or Replace.
Repair or replace.
Change pump oil. Fill to proper
level.
Contact Nilfisk-Advance Service
Check; submerge if necessary.
Inspect, clean or replace.
Inspect, clean or replace.
Turn collar counter-clockwise.
Clean or replace.
Use one extension maximum.
Remove, clean or replace.
Remove, clean or replace.
Repair or replace.