Graco 24Z764 Instructions Manual page 62

Troubleshooting
Problem
Pump runs continuously
Can't set desired ON/OFF times
Unit is not operating based on the
time that was programmed
Lubricant leaks past seal located on
the bottom of the reservoir
Pump stirring paddle is not rotating
and pump is not pumping during ON
cycle, but controller lights and
functions
Pump takes several minutes before
it begins pumping
USB Error 00
USB Error 07
USB Error 11
62
Cause
Pump is not wired correctly
Maximum duty cycle is 33% (2
minutes OFF for each minute ON)
Time entered was misinterpreted as
MM:SS instead of HH:MM (or visa
versa)
Reservoir retaining tabs are cracked
or broken
Reservoir is being pressurized
during filling
Reservoir is being pressurized
during filling due to rapid filling or
overfilling reservoir
Failed motor
Pumping non-cold weather lubricant
in cold weather
Flash drive was removed during
operation
Flash drive unable to mount
(initialize)
Pump program setting file not found
Solution
Check wiring. See Pump Wiring,
page 14. Check for short circuit.
Adhere to allowable duty cycle.
Verify the unit was programmed as
intended. See Programming the
Pump, page 20. Note the dot
designation for hours, minutes,
seconds on the top row of the
display.
Replace reservoir.
Ensure vent hole is not plugged.
Ensure vent hole is not plugged. Fill
reservoir slowly. Do not overfill
reservoir and main line hose.
Replace pump.
Adjust lube cycle time to
accommodate the difference in
pump run time.
or
Replace lubricant in pump, main line
hose and fluid lines with pumpable
lubricant, rated for environmental
conditions and application.
Keep the flash drive plugged in until
the unit has completed the
operation.
• Unplug the flash drive and
re-install.
• Cycle power and re-install the
flash drive.
• Retry using a different flash
drive.
If any of the above do not rectify the
error, contact Graco Customer
Service.
Verify that the pump program setting
folder structure and file are stored
correctly on the flash drive. See
Storing Pump Program Settings to
the Flash Drive, page 25 for
instructions.
3A5082G