9
Troubleshooting Information (cont.)
Foam/dirty solution coming out
of vacuum exhaust port.
1. Foam carpet by passing wa-
ter shutoff.
2. Elbow in vacuum tank is not
positioned correctly.
1. Use additional defoamer.
2. The elbow should be pointed
directly at the side wall of the
tank away from the ball type
shutoff.
PROBLEM POSSIBLE CAUSE SOLUTION
Pump motor but no spray
through jets.
1. Clogged or faulty solution
control valve.
2. Clogged or faulty quick dis-
connect on housing.
3. Punctured pump diaphragm.
4. Clogged jets
1. Check intake on valve and
remove lint or other foreign
material.
2. Depress plunger on solution
hose against inside wall of solu-
tion tank. If solution is owing
at this point, the system is OK If
no solution ows, check the
quick disconnect for lint and
other foreign matter.
3. Replace with diaphragm
repair kit.
4. Clean jets on wand or tool.
Uneven spray from jet. Spray
weak or uneven.
1. Clogged strainer in solution
tank.
2. Clogged jet.
1. Unscrew strainer and remove
lint and any other foreign
material from screen.
2. Remove and clean.
Leaking or stuck solution valve. 1. Foreign material in valve.
2. Loose brass hex nut.
3. Valve or seals worn
1. Remove brass hex plug,
clean valve and replace.
2. Reseal hex and plug.
3. Replace worn parts with solu-
tion valve repair kit.
Pump motor not working. 1. Loose wiring
2. Defective pump pressure
switch.
3. Motor burnout
1. Tighten wiring
2. Replace with new pressure
switch assembly.
3. Replace pump motor
Pump pressure low 1. Clogged screens on strainer
in solution tank.
2. Punctured pump diaphragm.
4. Pump not primed
1. Unscrew strainer remove lint
and any other foreign material
from screen.
2. Replace with diaphragm
repair kit.
4. Plug priming hose into
solution connection and place
end in solution tank. Run pump
for 4 minutes.
Pump pressure varies. 1. Worn carbon brushes.
2. Defective pump pressure
control switch.
1. Replace brushes.
2. Replace.
SOLUTION SYSTEM
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