Premier Pump - Graco SuperCat 232096 Instruction Manual

Premier Pump

Problem
Pump does not cycle, no fluid
pressure developed
Pump does not cycle, fluid pres-
sure developed
Pump cycles when gun is not
triggered
Pump runs too fast
Pump does not stop
Output pressure is low or pump
dives on the upstroke
Output pressure is low or pump
dives on downstroke
Material usage display value does
not change
Troubleshooting
Operating Condition
In manual mode, Premier pump key
held down, schematic Premier pump
light on
In manual mode, Premier pump key
held down, schematic Premier pump
light off
In spray mode, schematic Premier
pump light on
In spray or manual mode
In spray mode
In manual or spray mode
In manual or spray mode, schematic
Premier pump light off
In manual or spray mode
In manual or spray mode
In manual or spray mode
Cause/Solution
Check pump air regulator setting.
Make sure pump air ball valve is
open.
Check Premier pump air solenoid.
See page 71.
Check keypad continuity. See page
74.
Replace circuit board. See Service,
page 86.
Check pump air regulator setting.
Make sure pump air ball valve is
open.
Check Premier pump air solenoid.
See page 71.
Plugged gun spray tip. Clean spray
tip as instructed in gun manual.
Check valve positions against posi-
tions shown in Operation Manual
308875 for current operation.
Plugged high pressure fluid filters.
Clean filters. See Service, page 76.
Check valve positions against posi-
tions shown in Operation Manual
308875 for current operation.
Air in fluid lines. Purge air.
Leaky ball valve. Replace valve.
Reservoir ball valve closed. Open ball
valve.
Pump lower failed. Service lower.
Mix manifold failed. Service manifold.
Check valve positions against posi-
tions shown in Operation Manual
308875 for current operation.
Decrease air regulator pressure set-
ting.
Pump lower failed. Service lower.
Check Premier pump air solenoid.
See page 71.
Service pump.
Service pump.
See material usage display trouble-
shooting.