Welcome to the Unist Knowledge Base
Get the most from your Unist product with technical installation, troubleshooting, and maintenance information.
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Popular Articles
Solenoid valve stuck open or closed.
Things to check if a solenoid valve sticks open or closed.
Low-level switch does not change state.
What to do if low-level switch is not working.
Air, but no fluid out of nozzle.
Troubleshooting method to determine root cause when there is air flow, but no fluid output from nozzle tip.
Pulse R Fault Codes.
What are the fault codes on the Pulse R and what do they mean.
What is the mesh screen size on a 16, 32, or 64 oz fluid reservoir?
Reservoir mesh screen size.
Can I run lubricated air to the system?
You should not run lubricated air to the system.
Pumps are not stroking.
Troubleshooting flow chart to determine root cause if a standard or MV style pump is sticking and/or not stroking.
When to change roller covers on a Uni-Roller®, Uni-Roller® S2 or Mini-Roller™
Understanding when to change roller covers.
How to change modes on a Pulse R.
Steps on how to change the operating mode on a Pulse R controller
What is the maximum viscosity fluid I can apply with a Uni-Roller®?
The maximum viscosity that can be applied with a Uni-roller® system.