Troubleshooting The Fleck 7000 Sediment Filter; Low Water Pressure; Does Not Remove Sediment - Clean Water Systems Fleck 7000 Installation & Start?Up Manual

Fleck 7000 Sediment Filter Installation & Startup Guide
11. Flow Meter Type (Display Code FM): Set to t1.2 (this is standard Fleck 7000 meter). Press the Extra
Cycle button.
12. Press the Extra Cycle button to save all settings and exit Master Programming Mode. Note that the
control valve may take several minutes to re-home and re-set after the Master Programming steps,
do not unplug the control during this process.

Troubleshooting the Fleck 7000 Sediment Filter

Low Water Pressure

Make sure it is backwashing frequently enough, in some cases every 1 to 2 days is necessary.
Check backwash flow rate: One problem that may occur is if you do not have enough backwash flow rate to
properly clean the Sediment Filter. You can verify the backwash flow rate by running the drain line into a
bucket and timing it when the Fleck 7000 is in Cycle 1 or backwash. A 1.0 or 1.5 cubic foot system should
have 7 gallons per minute and a 2.5 cubic foot system should have 10 gallons per minute of backwash at a
minimum.
Check programming: In some cases, the Fleck 7000 may not be programmed correctly. See the Fleck 7000
service manual for instructions on how to access the master programming.

Does NOT remove sediment

Make sure it is not on bypass, see bypass valve positions (page 6)
Fleck 1.03" adapter when using a Vortech tank is missing. Remove control valve and make sure o-ring on
Fleck 7000 valve that seals around distributor tube is present, and is sealing tightly around distributor tube.
In some cases the sediment may be too small to be removed by the filter. One way to determine that the
filter system is working is to run it for one or two weeks until the pressure drops after the filter. Then
manually backwash and observe the backwash water. If the filter has been removing sediment, the backwash
water will be quite dirty and full of sediment. If the backwash is clean, then the particles are less than 5 to 10
microns, and an alum injection system is required to clump the particles together into a larger 5 to 10 micron
form.
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