Troubleshooting
3A1174B
13
Troubleshooting
Problem
Cause
Solution
Sprayer won’t run
Power switch not on
Turn switch on.
No power at wall outlet
Check outlet by plugging in another
appliance. If appliance does not
work, try another outlet.
Wrong size generator
Use a 3500 watt or larger generator.
Refer to Generator Requirements,
page 7.
Breaker tripped
Reset breaker.
Pump won’t pump material
Air lock
Open air valve on gun.
Mix too thick
Add water to thin material. Use Mate-
rial Thickness Gauge.
Loose fittings
Check and retighten all fittings.
Plugged gun
Relieve Pressure, page 7. Remove
gun from hose. Clean gun.
Pump hose worn out
Replace hose. Recommended hose
replacement - once every year.
Pump cold
Move pump to warm room and allow
it to warm up or run hot water through
sprayer.
Material runs out of bottom of sprayer Pump hose worn out
Replace hose.
Loose fittings
Check and retighten all fittings.
No air from compressor
Gun air valve closed
Open gun air valve.
Low voltage
Check extension cord length and
gauge. Replace if different than rec-
ommended. Refer to Grounding and
Electrical Requirements, page 7.
Gun needle plugged
Clean needle and retry.
Worn compressor
Replace compressor. Contact an
authorized Airlessco Service Center.
Lines not connected
Check all quick disconnect connec-
tions to gun and hoses.
Damaged hose
Replace hose.
