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Troubleshooting
26 332317C
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 pumping
non-cold weather lubricant in cold
weather -13°F (-25°C)
Replace lubricant with pumpable lubri-
cant, 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.
Can’t set desired ON/OFF times
Allowable ON time: 1-30 minutes
Allowable OFF time: 1-24 hours
(in full minute or hour increments)
Adhere to allowable duty cycle. Contact
Graco Customer Support if other duty
cycles are required for application.
Unit is not operating based on the time
that was programmed
Time entered was misinterpreted as MM
instead of HH (or visa versa)
Verify the unit was programmed as
intended, referencing programming
instructions.
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 fill-
ing
Ensure vent hole is not plugged.
If problem persists, contact Graco Cus-
tomer Service or your local Graco distrib-
utor for assistance.
Unit not pumping during ON cycle, but
controller lights and functions
Failed motor Replace unit.
Follower plate is not going down
Air is trapped in the reservoir between
the follower plate and lubricant
Add grease following Loading Grease
instructions, page 19. Ensure air is
purged.
Pump takes several minutes before it
begins pumping
Pumping non-cold weather lubricant in
cold weather -13°F (-25°C)
Increase pump on time.
Use grease suitable for temperature and
conditions.
Dim display, unit is not operating
Tripped internal, resettable fuse due to
internal component failure or short circuit
condition
Verify manual run inputs have not cre-
ated a short circuit condition. Cycle
power.
Unit indicates a cycle or pressure alarm
before the lubrication cycle could com-
plete
The ON Time was not entered correctly
Refer to programming ON Time, page
23.