Troubleshooting - Graco G250 Instructions And Parts

Troubleshooting

Troubleshooting
Problem
No flow volume displayed at monitor-
ing unit.
Fluid is not flowing.
8
Before servicing this equipment always make sure to
relieve the pressure.
The sensor is not a serviceable part. Replace it if it is
malfunctioning.
Cause
Flow volume is too low to measure.
Fluid is not flowing.
Damaged cable.
Improper input voltage to sensor.
Damaged sensor.
Clogs in fluid line or in meter.
Gears worn or damaged.
NOTICE
Solution
Increase flow volume.
Repair.
Replace cable.
Make sure input voltage is 10-30 Vdc.
Replace sensor if it is malfunctioning.
Clean fluid line and/or meter; see
Maintenance on page 9.
Repair meter; see Maintenance on
page 9.
308778L