ELECTRICAL SYSTEM
PROBLEM
POSSIBLE CAUSE
No electrical power. 1. Defective power cord. 1. Replace
2. Circuit breaker off or
fuse blown.
Switch is turned on. 1. Faulty electrical cable. 1. Repair or replace.
Intermittent power to
motor(s).
3. Loose terminal or dis- 3. Replace.
colored terminal connections.
Electrical Shock
1. Equipment not
grounded.
VACUUM SYSTEM
PROBLEM
POSSIBLE CAUSE
Vacuum motor on 1. Drain hose open.
Little or no vacuum
on wand head.
2. Defective vacuum hose 2. Repair or replace hose.
Kinks in vacuum hose
3. Vacuum disconnected 3. Open machine, connect
Not enough vacuum
power at the machine.
2. Lint clogging ball -
type shutoff screen.
3. Vacuum hose connection 3. Check for leaks
between stand pipe and around clamps and cuffs
vacuum motor.
4. Vacuum motor
exhaust blocked.
5. Cords not plugged into 5. Relocate one cord to a
seperate circuits
VACUUM SYSTEM
PROBLEM
POSSIBLE CAUSE
Motor running and no
vacuum at all.
No exhaust from the 2. Water shutoff closed. 2. Clean water shutoff
blowport.
Premature closing of
ball type shutoff.
off filter screen.
Ball type shutoff
2. Ball coated with
failing to release after
recovery tank is drained.
2. Screen slightly out of 3. Bend screen by
round.
Troubleshooting Information
Foam/dirty solution 1. Foam from carpet by- 1. Use additional
coming out of vacuum
SOLUTION
exhaust port.
2. Turn circuit breaker
on or replace fuse.
Unplug any equipment
using the same circuit.
2. Defective switches. 2 . R e p l a c e .
PROBLEM
Pump motor on –
no spray through jets.
1. Locate grounded
outlet.
SOLUTION
1. Close drain hose.
Recovery tank lid must
be closed.
vacuum hose to
recovery tank.
1. Damaged recovery 1 . R e p l a c e
tank lid.
PROBLEM
2. Remove screen.
Uneven spray from 1. Clogged strainer in
Clean out fibers and
jet. Spray weak or
accumulated dirt.
uneven.
(tighten). Replace damaged
Leaking or stuck
hose(s).
solution valve.
4. Check air flow by
removing hose from
machine and feel the
exhaust under the
machine. Remove
obstruction.
Pump motor
not working.
different room.
SOLUTION
Pump pressure low 1. Clogged screens on
1. Faulty vacuum motor. 1 . R e p l a c e .
screen.
1. Dirty or clogged shut- 1 . R e m o v e a n d c l e a n
screen.
2. Remove and rinse
detergent or other b a l l w i t h c l e a n w a t e r .
foreign material.
squeezing slightly by
hand until there is an
obvious space between
Pump pressure varies.
ball and inside of screen.
passing water shutoff.
2. Elbow in vacuum tank 2. The elbow should be
is not positioned
pointed directly at the
correctly.
side wall of the tank
away from the ball type
shutoff.
SOLUTION SYSTEM
POSSIBLE CAUSE
SOLUTION
1. Clogged or faulty
1. Check intake on
solution control valve.
or other foreign
material.
2. Clogged or faulty
2. Depress plunger on
quick disconnect on
solution hose against
housing.
inside wall of solution
tank. If solution is flow-
ing at this point, the
system is O.K. If no
solution flows, check the
quick disconnect for lint
and other foreign matter.
3. Punctured pump
3. Replace with
diaphragm.
diaphragm repair kit.
4. Clogged jets
4. Clean jets on wand or tool.
POSSIBLE CAUSE
SOLUTION
1. Unscrew strainer
solution tank.
and remove lint and
any other foreign
material from screen.
2. Clogged jet.
2. Remove and clean.
1. Foreign material in
1. Remove brass hex
valve.
plug, clean valve and
replace.
2. Loose brass hex nut.
2. Reseal hex and plug.
3. Valve worn or seals
3. Replace worn parts
worn.
with solution valve
repair kit.
1. Loose wiring
1. Tighten wiring
2. Defective pump
2. Replace with new
pressure switch
pressure switch assembly
3. Motor burnout
3. Replace pump motor
1. Unscrew strainer
strainer in solution tank
.
remove lint and any
other foreign material
from screen.
2. Punctured pump
2. Replace with
diaphragm.
diaphragm repair kit.
3. Defective rectifier or
3. Replace.
motor.
4. Pump not primed
4. Plug priming hose into
solution connection and place
end in solution tank. Run
pump for 4 minutes
1. Worn carbon brushes. 1 . R e p l a c e b r u s h e s .
2. Defective pump
2. Replace.
pressure control switch.
d e f o a m e r .
v a l v e a n d r e m o v e l i n t
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