Graco 332291C Manual De Usuario

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Troubleshooting 
24
332291C
Troubleshooting
Problem
Cause
Solution
Unit does not power on
Incorrect/loose wiring
Refer to Installation instructions, 
page 7.
Unit does not power on (DC models 
only)
Tripped external fuse due to internal 
component failure
Contact Graco Customer Service.
Tripped external fuse due to pump-
ing non-cold weather lubricant in 
cold weather -13°F (-25°C) 
Replace lubricant with pumpable 
lubricant, rated for environmental 
conditions and application. 
Replace fuse.
Unit does not power on (AC models 
only)
Tripped internal power supply fuse 
due to power supply failure
Contact Graco Customer Service.
Lubricant leaks past seal located on 
the bottom of the reservoir
Reservoir retaining tabs are 
cracked or broken
Replace reservoir.
Reservoir is being pressurized 
during filling
Ensure vent hole is not plugged.
If problem persists, contact Graco 
Customer Service or your local 
Graco distributor for assistance.
Unit not pumping during ON cycle, 
but external controller functions
Failed motor
Replace unit.
Follower plate is not going down 
Air is trapped in the reservoir 
between the follower plate and lubri-
cant
Add grease following Loading 
Grease instructions, page 19. 
Ensure air is purged.
Pump takes several minutes before 
it begins pumping at the highest 
pump volume setting (no stroke 
adjust spacers installed)
Pumping non-cold weather lubricant 
in cold weather -13°F (-25°C) 
Add 1 stroke adjust spacer and 
adjust lube cycle time to accommo-
date the difference in pump volume 
per stroke.
In an Injector System without sen-
sor feedback, unit does not vent 
properly
Vent valve time needs to be config-
ured
Adjust external vent valve control 
time.