Troubleshooting - AIRLESSCO MP18 Operation

Troubleshooting

Troubleshooting
Problem
Sprayer makes no sound when
trigger is pulled
Sprayer makes sound but no material is
sprayed when trigger is pulled
3A1266B
Check everything in this Troubleshooting Table before
you bring the sprayer to an authorized service center.
Cause
Trigger is locked.
Status Indicator Light is solid RED when
triggering, indicating that the battery
charge is low or battery is too cold.
Status Indicator Light is flashing RED
when triggering, indicating that the bat-
tery is too hot to operate.
Status Indicator Light does not light when
sprayer is triggered.
Sprayer is not primed.
Prime/relief valve 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.
Suction Tube screen is clogged or vent
holes in the black rubber inlet seal are
clogged.
Sprayer has been tilted too far and suc-
tion 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.
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.
Solution
Disengage trigger lock. See page 6.
Replace with charged battery and place
old battery in charger or allow the battery
to warm up.
Allow battery to cool.
Battery is not installed or is
damaged.
Prime the pump. See Starting a new Job
(or Refilling the Cup), page 10.
sprayer fails to prime, follow the Inlet
Valve Cleaning procedure, page 20
and/or Alternate Priming Method,
page 19.
Pull valve 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 Inlet Valve Cleaning,
page 20.
Turn tip to SPRAY position.
See Unclogging Tip/Guard
Assembly, page 13.
See Shutdown and Cleaning, page 14.
Make sure cup is filled with material. Do
not tilt the cup too far. Prime the pump.
See Starting a new Job (or Refilling the
Cup), page 10.
Refill cup with material.
Remove and clean tip filter. See Unclog-
ging Tip/Guard Assembly, page 13.
Make sure compatible material is being
used. See Reversible Tip Selection
Chart, page 11.
Replace Suction Tube and o-rings.
See Repair Kit, page 18.
Replace sprayer.
Replace sprayer.
If
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