Graco 258870 Manual De Usuario

Check everything in this Troubleshooting Table before 
you bring the sprayer to an authorized service center.

Sprayer makes no sound when 
trigger is pulled

Trigger is locked.

Disengage trigger lock. See page 9.

Sprayer is not receiving power.

Plug in sprayer or check outlet for power.

Sprayer motor is overheated.

Wait 20-30 minutes for motor to cool.

Sprayer circuit breaker has tripped.

Push and hold circuit reset button (see 
pages 6 and 7).

Sprayer makes sound but no material is 
sprayed when trigger is pulled

Sprayer has not been Setup.

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).

Control lever is in UP position.

Pull control lever DOWN to spray posi-
tion.

Suction Tube is missing or improperly 
installed.

Make sure Suction Tube is properly 
installed.

Inlet valve is stuck from material 
residue left in sprayer.

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.

Tip is not in SPRAY position.

Turn tip to SPRAY position.

Tip is clogged.

See Unclogging Tip/Guard 
Assembly, page 15.

Suction Tube screen is clogged or vent 
holes in black rubber inlet seal are 
clogged.

See Shutdown and Cleaning, page 16. 

Sprayer has been tilted too far and suc-
tion tube has lost contact with 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.

No or low material in cup.

Refill cup with material.

Tip filter is clogged.

Remove and clean tip filter. See Unclog-
ging Tip/Guard Assembly, page 15.

Fine Finish Optimizer is installed while 
using an incompatible material.

Make sure compatible material is being 
used. See Reversible Tip Selection 
Chart, page 13.

Suction Tube o-rings are damaged or 
missing.

Replace Suction Tube and o-rings.

Pump is clogged, frozen, or has debris 
inside.

Flush the pump. See Setup, page 10.

Sprayer has reached maximum life.

Replace sprayer.

Material is leaking from hole in front of 
sprayer.

Replace sprayer.