18
Nilfisk-Advance Select Spray 1500E Operator's Manual
TROUBLESHOOTING
SYMPTOM
PROBABLE CAUSE
REMEDY
Pump motor will not start, or stops
GFCI tripped.
Turn unit "OFF". Test GFCI by
while operating.
pressing reset button.
Tripped circuit breaker or fuse
Disconnect all other plugs on the
blown in circuit fuse box.
circuit being used and reset circuit
breaker OR check and replace fuse.
Loose or disconnected plug.
Reconnect plug.
Tripped circuit breaker in unit.
Allow to cool and restart unit.
Unit is frozen.
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.
Circuit breaker trips or fuse blows
Circuit overload.
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.
Extension cord is too long or wire
Use correct electrical requirements
is too small.
as listed on pg. 4.
GFCI trips.
Incorrect voltage.
Ensure electrical supply is
120 V/ 20 A/ 60 Hz.
Electrical short to ground.
Contact Nilfisk-Advance Service
Center.
Motor runs but there is no discharge
Inadequate water supply.
Ensure hose is 3/4" diameter and
at nozzle when trigger mechanism is
incoming water supply is turned on.
squeezed.
Kink in water inlet hose.
Remove kink.
Kink in high pressure discharge hose.
Replace hose.
Low or fluctuating pressure.
Water inlet screen obstructed.
Remove screen, clean or replace.
Pump sucking air. (Prime lost)
Tighten all water intake connections
Eliminate leaks in intake line.
Not in high pressure mode.
Turn the collar clockwise to engage
in the high pressure mode.
Obstructed or worn orifice.
Remove and clean, or Replace.
Bypass valve not operating correctly.
Repair or replace.
Oil appears milky or foamy.
Water in oil.
Change pump oil. Fill to proper
level.
Oil leaking from unit.
DO NOT USE!!!!!
Contact Nilfisk-Advance Service
Center.
Detergent will not siphon into
Detergent strainer is not completely
Check; submerge if necessary.
Low Pressure Detergent mode.
submerged in detergent solution
Detergent strainer is obstructed.
Inspect, clean or replace.
Detergent hose is obstructed, cut
Inspect, clean or replace.
or kinked.
Not in Low Pressure mode.
Turn collar counter-clockwise.
Nozzle assembly is plugged.
Clean or replace.
Too many high pressure hose
Use one extension maximum.
extensions attached to the water outlet.
Ball & Spring in Venturi stuck.
Remove, clean or replace.
Water flows back into detergent
Ball & Spring in Venturi reversed,
Remove, clean or replace.
container.
missing or corroded.
Water flows from the nozzle when the
Gun is malfunctioning.
Repair or replace.
trigger gun is in the "OFF" position.
