E21 on the Valley ICON 5 / ICON X
An independent guide from FixMyPivot, not from the manufacturer. Brand and panel names are here only so you can find your own equipment.
What it means
FLOW RATE BELOW LOW FLOW LIMIT.
Leads to a Flow fault. The low flow limit may just be set too high, so check that setting before looking for a problem with the equipment.
This one stops the machine.
E21 on other panels
This page is for the Valley ICON 5 / ICON X. The same code on another panel can mean something else:
- Valley ICON 10 / ICON 1FLOW RATE BELOW LOW FLOW LIMIT
- Valley TouchPro · different meaningLOW FLOW
- Valley Pro / Pro2 · different meaningLow flow, on machines with the variable rate zone option
Safety
Center pivots run on high voltage and heavy moving machinery. Shut off and lock out power at the main disconnect before you open a panel or touch anything electrical. If you are not sure, stop and call your local pivot dealer or a licensed electrician. These pages tell you what a code means. They do not replace a qualified technician, and the safety instructions that came with your equipment come first.
FixMyPivot is an independent troubleshooting service. It is not affiliated with, authorized by, or sponsored by any equipment manufacturer. All brand, panel and product names are trademarks of their owners and are used here only to identify the equipment a code appears on. This information is general, is provided as is without warranty, and may not match the software version on your panel. Use of these pages is subject to our Terms of Service.