Feed Pumps; Feed Pump Setup Check - Graco SuperCat 232096 Instruction Manual

Feed Pumps

Problem
Feed pump does not run
Full level sensor alarm
Low level sensor alarm
Feed pump will not stop

Feed Pump Setup Check

1. Make sure one of the level sensor options "with
feed pump" is selected. See Setup, page 50.
2. The Premier pump should go through 1 full cycle
(2 top changeovers) before the feed pumps start.
3. Make sure the Feed Pump Time setting is set high
enough to fill the reservoirs before an alarm oc-
curs. See Setup, page 48.
Troubleshooting
Operating Condition
In spray or manual mode, schematic
feed pump light is on
In manual mode, feed pump key
pressed, schematic feed pump lights
off
In spray mode
In spray mode
Schematic feed pump light off
4. If both full and low level sensors are installed,
Cause/Solution
Check air regulator setting. Adjust
setting as needed.
Check feed pump setup. See below.
Check air solenoids. See page 71.
If in spray mode, check material
usage display. See page 72.
Replace circuit board. See Service,
page 86.
Check feed pump setup. See below.
Check the electrical continuity for the
feed pump key signals and lights.
See page 73.
Replace keypad. See Service, page
86.
Replace circuit board. See Service,
page 86.
Check feed pump setup. See below.
Check feed pumps. See "trouble-
shooting" in the feed pump manual.
Install larger feed pumps.
Check feed pump setup. See below.
Check feed pumps. See "trouble-
shooting" in the feed pump manual.
Install larger feed pumps.
Check feed pump air solenoid. See
page 71.
make sure the Feed Pump Time setting (Setup,
page 48) is set so the alarm for the full level sen-
sor will occur before the low level sensor alarm.
Base the settings on the Premier pump and the
feed pump capacity.