Watts Fleck 3900 Brass Valve - Manual (Page 22)

Printed in U.S.A.
Page 22
MODEL 3900
Service Instructions
General Service Hints For Meter Control
P roblem: Softener Delivers Hard Water.
Cause could be that. . .Reserve Capacity Has Been Exceeded.
Correction: Check salt dosage requirements and reset program wheel to provide additional reserve.
Cause could be that. . .Program Wheel Is Not Rotating With Meter Output.
Correction: Pull cable out of meter cover and rotate manually. Program wheel must move without binding and clutch
must give positive “clicks” when program wheel strikes regeneration stop. If it does not, replace timer. Cause could be
that. . .Meter Is Not Measuring Flow.
Correction: Check meter with meter checker.
D. Foreign material in brine valve.
E. Foreign material in brine line flow
control.
D. Replace brine valve seat and
clean valve.
E. Clean brine line flow control.
8. Softener fails to draw brine. A. Drain line flow control is plugged.
B. Injector is plugged.
C. Line Pressure Is Too Low.
D. Internal Control Leak.
E. Service Adapter Did Not Cycle.
A. Clean drain line flow control.
B. Clean injector.
C. Increase Line Pressure To 20
P.S.I. Minimum.
D. Change Seals, Spacers and
piston Assembly.
E. Check Drive Motor And Switches
9. Control cycles continuously. A. Missadjusted, Broken or shorted
Switch. A. Determine if switch or timer is
faulty and replace it, or replace
complete power head.
10. Drain flows continuously. A. Valve is not programming
correctly.
B. Foreign material in control.
C. Internal control leak.
A. Check timer program and
positioning of control. Replace
power head assembly if not
positioning properly.
B. Remove power head assembly
and inspect bore, remove foreign
material and check control in
various regeneration positions.
C. Replace seals and piston
assembly.
PROBLEM CAUSE CORRECTION