308925
67
Troubleshooting
Premier Pump
Problem
Operating Condition
Cause/Solution
Pump does not cycle, no fluid
pressure developed
In manual mode, Premier pump key
held down, schematic Premier pump
light on
Check pump air regulator setting.
Make sure pump air ball valve is
open.
Check Premier pump air solenoid.
See page 72.
In manual mode, Premier pump key
held down, schematic Premier pump
light off
Check keypad continuity. See page
75.
Replace circuit board. See
Service
on page 87.
In spray mode, schematic Premier
pump light on
Check pump air regulator setting.
Make sure pump air ball valve is
open.
Check Premier pump air solenoid.
See page 72.
Pump does not cycle, fluid pres-
sure developed
In spray or manual mode
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 77.
Pump cycles when gun is not
triggered
In spray mode
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.
Pump runs too fast
In manual or spray mode
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.
Pump does not stop
In manual or spray mode, schematic
Premier pump light off
Check Premier pump air solenoid.
See page 72.
Output pressure is low or pump
dives on the upstroke
In manual or spray mode
Service pump.
Output pressure is low or pump
dives on downstroke
In manual or spray mode
Service pump.
Material usage display value does
not change
In manual or spray mode
See material usage display trouble-
shooting.
Summary of Contents for SuperCat 232721
Page 23: ...308925 23 Notes...
Page 111: ...308925 111 Notes...
Page 112: ...308925 112 Dimensions 8787A 42 in 1067 mm 66 in 1676 mm 74 in 1880 mm...