Graco 332305B important safety instructions Troubleshooting, Problem Cause Solution

Troubleshooting

Troubleshooting

Problem	Cause	Solution
Unit does not power on	Incorrect/loose wiring	Refer to Installation instructions,
		page 8.
	Tripped external fuse due to internal	Contact Graco Customer Service.
	component failure
Unit does not power on (DC models	Tripped external fuse due to pumping	Replace lubricant with pumpable
	non-cold weather lubricant in cold	lubricant, rated for environmental
only)
	weather -13°F (-25°C)	conditions and application.
		Replace fuse.
Unit does not power on (AC models	Tripped internal power supply fuse	Contact Graco Customer Service.
only)	due to power supply failure
	Maximum duty cycle is 33% (2 min-	Adhere to allowable duty cycle. Con-
Can’t set desired ON/OFF times	utes OFF for each minute ON)	tact Graco Customer Support if other
		duty cycles are required for applica-
		tion.
	Time entered was misinterpreted as	Verify the unit was programmed as
Unit is not operating based on the	MM:SS instead of HH:MM (or visa	intended, referencing programming
	versa)	instructions. Note the dot designation
time that was programmed
		for hours, minutes, seconds on the
		top row of the display.
	Reservoir retaining tabs are cracked	Replace reservoir.
	or broken
Lubricant leaks past seal located on	Reservoir is being pressurized during	Ensure vent hole is not plugged.
	filling
the bottom of the reservoir		If problem persists, contact Graco
		Customer Service or your local
		Graco distributor for assistance.
Unit not pumping during ON cycle,	Failed motor	Replace unit.
but controller lights and functions
	Air is trapped in the reservoir	Add grease following Loading
Follower plate is not going down	between the follower plate and lubri-	Grease instructions, page 24. Ensure
	cant	air is purged.
Pump takes several minutes before it	Pumping non-cold weather lubricant	Add 1 stroke adjust spacer and
begins pumping at the highest pump	in cold weather -13°F (-25°C)	adjust lube cycle time to accommo-
volume setting (no stroke adjust		date the difference in pump volume
spacers installed)		per stroke.
	Tripped internal, resettable fuse due	Verify sensor and manual run inputs
Dim display, unit is not operating	to internal component failure or sen-	have not created a short circuit condi-
	sor short circuit condition	tion. Cycle power.
Unit indicates a cycle or pressure	The ON Time was not entered cor-	Refer to programming ON Time,
alarm before the lubrication cycle	rectly	pages 31 and 52.
could complete

62 332305B