www.homeright.com
English
15
Troubleshooting
PROBLEM
CAUSE
REMEDY
1. Motor does
not run
A. No power to motor.
B. Loose electrical connection.
C. Defective motor or switch.
A. Check wall outlet and extension cord.
B. Discontinue use. Call Customer Service.
C. Call Customer Service.
2. Motor makes
muffled humming
sound
A. The volume control knob is screwed in all the way.
B. Seized piston.
C. Plugged atomizer valve or spray tip.
D. Atomizer valve assembly is not seated properly.
A. Adjust the volume control knob.
B. Remove piston and cylinder housing and clean. (See pg 13,
steps 7-8) Then add petroleum oil to metal shaft of piston.
C. Replace atomizer valve and clean holes in spray tip.
D. Replace atomizer valve.
3. Motor is running,
but sprayer will not
spray
A. Seized piston.
B. Atomizer valve plugged.
C. Atomizer valve not properly seated.
D. Stain or paint material is too thick.
E. Pick-up tube is not tight to cylinder housing.
F. Spray tip clogged.
G. Worn piston.
A. Remove piston and cylinder housing and clean. (See pg 13,
steps 7-8) Then add petroleum oil to metal shaft of piston.
B. Ensure that atomizer valve is clean and free from debris.
C. Ensure that the atomizer valve is properly seated in the
cylinder housing. Also, check to make sure the atomizer
valve is inserted correctly.
D. Thin stain/paint according to manufacturer’s requirements.
We recommend thinning 5-8%.
E. Reattach pick-up tube to cylinder housing.
F. Thoroughly clean or replace spray tip.
G. Replace piston. Call Customer Service.
4. Stain or paint is
spitting
A. Container volume is low.
B. Improper adjustment.
C. Stain or paint material is too thick.
D. Pick-up tube is not tight to cylinder housing.
E. Loose spray tip.
F. Stain or paint material has impurities.
G. Worn piston/cylinder.
H. Worn atomizer valve.
I. Plugged atomized valve/
A. Refill container.
B. Adjust volume control knob. (See pg 9, steps 1-2)
C. Thin according to stain/paint manufacturer’s requirements.
We recommend thinning 5-8%.
D. Clean and firmly insert into intake opening on pump housing.
(See pg 8, step 4)
E. Tighten spray tip.
F. Pour paint/stain material through strainer.
G. Replace piston. Call Customer Service.
H. Replace with new atomizer valve.
I. Clean and clear debris from three holes in atomizer valve.
5. Excessive
overspray (fogging)
A. Sprayer too far from surface.
B. Pressure too high.
C. Worn spray tip.
D. Stain or paint material is too thick.
A. Move sprayer closer to surface.
B. Adjust volume control knob.
C. Replace with new spray tip.
D. Thin according to manufacturer’s requirements.
6. Uneven spray
pattern
A. One or more holes in the atomizer valve are clogged.
B. Partial blockage in spray tip.
C. Worn atomizer valve.
D. Worn spray tip.
A. Clean three holes in atomizer valve.
B. Clean spray tip.
C. Replace with new atomizer valve.
D. Replace spray tip.
Troubleshooting continued on next page
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