Troubleshooting 67
Cat. No. 01029401
PROBLEM OR SYMPTOM CHECK PROCEDURE CAUSE
Continuous refill to the brine tank Backpressure on piston #7 (see Figure 81
on page 72)
Confirm correct brine refill control
is being used, see Table 6 on page
18. For 18x38 and 24x40 brine
systems, confirm 0.8 gpm brine refill
control was removed from brine valve,
see “Brine System Installation” on
page 19.
Restricted or No Drain Flow
During Backwash
Turn the pilot to position #2 and then to po-
sition #4, comparing the rate of flow to the
drain. Return the pilot to position #1.
Flow should be the same. If not:
• If the flow in position #4 is low,
see Restricted or No Service Flow
Check Procedures and causes.
• Inlet water pressure may be low.
• Backwash flow control may be
plugged.
• If flow rate in position #4 is greater
than position #2 then Backwash
Inlet piston and Backwash Drain
piston are not functioning properly
Media to Service Check tank distribution system Broken lateral
Bad distributor.
Trace and examine the plumbing Unit is plumbed backwards
Media to Drain High flow of water to drain. Check/replace backwash flow control
washer(s).
Air in system Brine valve did not air check, allowing
air into media tank.
Air from source other than water soft-
ener. Eliminate source or install air
vent in top of tank.
Fails to Refill Properly Feed water pressure must be above 35 psi. Low pilot valve pressure will prevent
the #7 piston from opening properly.
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