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Troubleshooting
Solvent Pump
Problem
Operating Condition
Cause/Solution
Pump does not run
In spray or manual mode, schematic
solvent pump light on
Check pump air regulator setting.
Make sure pump air ball valve is
open.
Check solvent pump air solenoid. See
below.
In spray or manual mode, solvent
pump key pressed, schematic solvent
pump light off
Check keypad continuity. See page
75.
Replace circuit board. See
Service
on page 87.
Pump does not stop
In manual or spray mode, schematic
Premier pump light off
Check solvent pump air solenoid. See
below.
Check keypad continuity. See page
75.
Solvent usage display value does
not change
In manual or spray mode
Check material usage display. See
page 73.
Air Solenoid Check
Problem
Operating Condition
Cause/Solution
Pumps not turning on and off
properly
In manual or spray mode
Push solenoid button to manually
open solenoid. If pump operates,
continue to next step.
Visually check the feed pump air
solenoid connections.
Switch the wire connection with an air
solenoid that operates. See Fig. 92.
Replace solenoid if faulty. See
Ser-
vice
on page 89.
Fig. 92
8304A
Air line
Electrical Connection
Feed Pump B
Feed Pump A
Alarm
1
3
4
2
1
3
4
2
5
Solvent Pump
Premier Pump
5
6
7
7
6
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...