22
SYSTEM TROUBLESHOOTING
Pump Does Not Pump
•
Does the motor run?
o
No
– Jump to “Motor Does Not Run” on Page 23
o
Yes
– Continue On
▪
When was the pumping tube last replaced? Pumping tubes should be
replaced annually, or more often depending on use.
•
If pumping tube was recently replaced, continue to next step.
•
If not, replace your pumping tube.
▪
Make sure that there is product in the cooler and the valve handle is
pointed down to draw from the cooler.
▪
Inspect System for Plugged Hoses/Fittings
•
Disconnect the hose from the valve on the cooler, turn valve handle
down to see if product flows freely from the cooler.
o
If so, continue to next step.
o
If not, inspect filter screen and clean.
▪
If cleaning filter does not resolve, disassemble the valve
assembly, and clean out each fitting.
•
If cooler fluid level is above the pump unit, you can slide the hose off
of the pump head, disconnect the pumping tube on the output side
and see if product runs free.
o
If so, continue to next step.
o
If not, shut off cooler valve and clean out the input panel-
mount fitting that the pumping tube connects to.
•
Disconnect the hose at the bottom of the flowmeter.
o
If product flows freely, continue to the next step.
o
If not, shut off the cooler valve and clean out the output panel-
mount fitting that the pumping tube connects to.
•
Disconnect the hose at the top of the flowmeter.
o
If product flows freely, continue to the next step.
o
If not, you will need to clean out your flowmeter. Follow the
directions in the video at
DohrmannEnterprises.com/videos
•
Remove hose from the check valve at the distribution point.
o
If product flows freely, replace check valve.
o
Applicator can be used without the check valve in place.
