Troubleshooting - Windsor Dominator NWWU2250H Operator Instructions Manual

Maintenance

Troubleshooting

PROBLEM
Loss of Power
Electrical shock
Vac motor speed
varies or doesn't run
Loss of vacuum
Pump runs no solution
Pump runs, loss of
pressure
Pump will not run
Solution hose fitting
hard to connect
Carpet not getting
clean
Carpet too wet
Carpet browning
Solution not flowing
properly
20
CAUSE
Unit not plugged in
Dead electrical circuit
Faulty power cord
Receptacle not grounded
Internal wiring problem
Vacuum circuit breaker tripped
Faulty vacuum motor
Faulty switch
Loose vacuum dome
Crack in dome of poor joint
Lint or dirt clogging vacuum screen
Loose cuffs on vacuum hose
Vac motor seals leaking
Floor tool vac chamber clogged
Vacuum hose damaged
Recovery tank full / Float ball stuck in
the up position
Pump inlet screen plugged
Pump not primed
Internal or external solution line
damaged and leaking
Internal pump components wearing out Replace, see pump kit components
Check valves in pump head for particles
or cuts in seals
Faulty switch
Loose wiring
Corrosion on fittings.
Severe soil conditions
Over saturation
Leaving carpet too wet
Too much chemical
Solution hose connection
Faulty pump
Faulty floor tool valve / Nozzle
Faulty pump switch
86324470 DOMINATOR 500 PSI
SOLUTION
Connect unit to 3 prong grounded outlet.
Check building circuit breaker or fuse box.
Replace
Contact an electrician to check building's wiring
Have a trained service technician check
machine's wiring
Reset Breaker
Replace
Replace
Center and seal dome over tank
Replace or repair using acrylic plastic cement
only
With power off clean screen
Tighten cuffs turning counterclockwise
Replace
Wash out with hose. Pick lint out with a wire
Replace
Turn off power, drain recovery tank.
Clean inlet screen
Prime pump with priming hose
Replace
Take piston from BPR and lubricate with Super-
lube. If problem still exists change BPR kit
Replace
Repair or replace
Clean with steel wool. Soak in acetic acid (white
vinegar). Lubricate lightly with silicone base
lubricant.
Make several passes at right angles to each
other. Use a pre-spray.
Adjust solution pressure to lower settings. Make
several passes without spray
Check for loss of vac pressure
Check label for correct solution concentration
Check for positive connection
Repair or replace
Repair or replace
Repair