Graco G250HR Marine Instruments User Manual


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