8
MOTOR RUNNING AND NO VACUUM
LOW VACUUM AT THE MACHINE
PREMATURE FLOAT ACTIVATION OR FAILURE OF FLOAT TO RELEASE
CAUSE:
1) Drain hose open
2) Lint screen clogged
3) Damaged recovery tank
4) Clogged vacuum motor exhaust port
SOLUTION:
1) Close drain hose
2) Clean
3) Replace
4) Clean
CAUSE:
1) Faulty vacuum motor
2) Float activated
SOLUTION:
1) Replace
2) Empty tank or clean float cage
CAUSE:
1) Dirty or clogged float cage.
2) Float coated with detergent or other debris
3) Float cage slightly out of round
SOLUTION:
1) Remove and clean float cage.
2) Clean and rinse float
3) Carefully bend float cage by squeezing by
hand
FOAM/DIRTY SOLUTION COMING OUT OF VACUUM EXHAUST PORT
SOLUTION:
1) Add additional defoamer.
CAUSE:
1)
Foam from carpet bypassing float.
UNEVEN SPRAY FROM JETS
NO SPRAY FROM JETS
CAUSE:
1) Clogged or faulty solution control valve
2) Clogged or faulty quick disconnect
3) Punctured pump diaphragm.
4) Clogged jets
SOLUTION:
1) Check valve for debris
2) Depress plunger on solution hose quick
disconnect on against inside wall of solution
tank housing. If solution is flowing at this
point, the system is O.K. If no solution flows,
check the quick disconnect for lint and
other foreign matter.
3) Replace with diaphragm repair kit.
4) Clean jets on wand or tool
CAUSE:
1) Clogged strainer in solution tank.
2) Clogged jets.
SOLUTION:
1) Remove debris.
2) Remove and clean
PUMP MOTOR NOT WORKING
LEAKING OR STUCK SOLUTION VALVE
CAUSE:
1) Foreign material in valve.
2) Loose brass hex nut.
3) Worn valve or seals.
SOLUTION:
1) Clean and replace.
2) Reseal hex and plug.
3) Replace worn parts.
CAUSE:
1) Loose wiring.
2) Defective pump pressure switch.
3) Motor burned out.
SOLUTION:
1) Tighten wiring.
2) Replace switch.
3) Replace.
