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Troubleshooting
Troubleshooting
Check everything in this Troubleshooting Table before you bring the sprayer to an authorized service center.
Problem
Sprayer makes no sound when trigger is pulled
Cause
Trigger is locked.
Sprayer is not receiving power.
Sprayer motor is overheated.
Sprayer circuit breaker has tripped.
Sprayer makes sound but no material is sprayed when trigger is pulled
Sprayer has not been Setup.
Control lever is in UP position.
Suction Tube is missing or improperly installed.
Inlet valve is stuck from material residue left in sprayer.
Tip is not in SPRAY position.
Tip is clogged.
Solution
Disengage trigger lock. See page 9.
Plug in sprayer or check outlet for power.
Wait 20-30 minutes for motor to cool.
Push and hold circuit reset button (see
Setup the sprayer. See Starting a new
Job (or Refilling the Cup), page 12. If sprayer fails to prime, follow the Alterna-
tive Priming Method (page 23) and/or
Inlet Valve Cleaning (page 24).
Pull control lever DOWN to spray position.
Make sure Suction Tube is properly installed.
Use a pencil or thin rod to lightly push on inlet valve to make sure it moves up and down freely, see page 12. Inlet valve may need to be removed and cleaned.
See Inlet Valve Cleaning, page 24.
Turn tip to SPRAY position.
See Unclogging Tip/Guard
See Shutdown and Cleaning, page 16.
Suction Tube screen is clogged or vent holes in black rubber inlet seal are clogged.
Sprayer has been tilted too far and suction tube has lost contact with material.
No or low material in cup.
Tip filter is clogged.
Fine Finish Optimizer is installed while using an incompatible material.
Make sure cup is filled with material. Do not tilt the cup too far. Setup the sprayer.
See Starting a new Job (or Refilling the
Cup), page 12.
Refill cup with material.
Remove and clean tip filter. See Unclog-
ging Tip/Guard Assembly, page 15.
Make sure compatible material is being used. See Reversible Tip Selection
Replace Suction Tube and o-rings.
Suction Tube o-rings are damaged or missing.
Pump is clogged, frozen, or has debris inside.
Sprayer has reached maximum life.
Material is leaking from hole in front of sprayer.
Flush the pump. See Setup, page 10.
Replace sprayer.
Replace sprayer.
20 3A0159D
Troubleshooting
Problem Cause Solution
Sprayer sprays with poor results Tip is partially clogged
Tip is not in correct position
Incorrect tip for application of material.
Tip filter is partially clogged
Suction Tube screen is partially clogged.
Fine Finish Optimizer is partially clogged.
Fine Finish Optimizer is installed while using an incompatible material.
Tip is worn or damaged
Inlet or Outlet Valves are worn.
Sprayer is pulsating while spraying water.
Paint leaks from sprayer trigger area. Sprayer has reached its maximum life.
See Unclogging Tip/Guard
Assembly, page 15.
Rotate tip to SPRAY position.
See Reversible Tip Selection
Chart, page 13.
Clean or replace filter. See page 15.
Clean or replace Suction Tube. See
Clean or replace Fine Finish Opti-
Make sure compatible material is being used. See Reversible Tip
Selection Chart, page 13.
Replace tip. See Install Tip/Guard
Assembly, page 13.
Replace sprayer.
Fine-Finish Optimizer is not installed.
Replace sprayer.
Spray Pattern Diagnostics
Problem
Spray pattern is pulsating:
Cause
The Fine-Finish Optimizer is installed while using thick material.
Operator is moving too fast while spraying.
Solution
Make sure material and tip are compatible. See Reversible Tip Selection Chart,
ti15524a
Slow speed of movement.
Spray pattern has tails: ti15526a
Fine Finish Optimizer is installed while using an incompatible material.
Fine Finish Optimizer is partially clogged.
Material not compatible with sprayer.
Inlet or Outlet Valves are worn.
Make sure compatible material is being used. See Reversible Tip Selection
Chart, page 13.
Clean or replace Fine Finish Optimizer.
Switch material.
Replace sprayer.
3A0159D 21
Troubleshooting
Problem
Spray pattern has dripping:
Cause
Sprayer is moving too slow for material.
Sprayer is too close to target surface.
Holding trigger while changing spray direction.
ti15522a
Incorrect tip for application of material.
Tip is worn or damaged.
Spray pattern is too narrow: Sprayer is too close to target surface.
Incorrect tip for application of material.
ti15523a
Tip is worn or damaged.
Solution
Move sprayer faster while spraying.
Move sprayer away from surface (10 in).
Release trigger when changing directions.
See Reversible Tip Selection Chart,
Replace tip. See Install Tip/Guard
Assembly, page 13.
Move sprayer away from surface (10 in).
See Reversible Tip Selection Chart,
Replace tip. See Install Tip/Guard
Assembly, page 13.
Spray pattern is too wide: Sprayer is too far away from target surface.
Incorrect tip for application of material.
Move sprayer closer to surface.
See Reversible Tip Selection Chart,
ti15527a
Spray pattern “spits” at the end:
Excess material has accumulated on
Spray Tip/Guard Assembly.
Tip filter is partially clogged.
See Shutdown and Cleaning, page 16.
Tip/Guard Assembly not threaded completely onto sprayer.
ti15525a
Tip continues to drip or ooze material after trigger is released:
Seat is worn.
Sprayer is worn out.
Tip/Guard Assembly not threaded completely onto sprayer.
Clean or replace filter. See page 15.
See Install Tip/Guard Assembly, page
Replace Spray tip.
Replace sprayer.
See Install Tip/Guard Assembly, page
ti15528a
Spray pattern does not adequately cover target surface
Fine Finish Optimizer is installed while using an incompatible material.
Sprayer is worn out.
Make sure compatible material is being used. See Reversible Tip Selection
Chart, page 13.
Replace sprayer.
22 3A0159D
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