Watts PWSTA 90-120K - Manual (Page 27)

27
Model 9000/9100/9500
45
General Service Hints
Problem: Softener delivers hard water
PROBLEM CAUSE CORRECTION
8. Softener fails to draw brine. A. Drain line flow control is plugged.
B. Injector is plugged.
C. Injector screen plugged.
D. Line pressure is too low.
E. Internal Control Leak
A. Clean drain line flow control.
B. Clean injector.
C. Clean screen.
D. Increase line pressure to
25 psi min.
E. Change seals, spacers and piston
assembly.
9. Control cycles continuously. A. 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
Softener delivers hard water. Reserve capacity has been exceeded. Check salt dosage requirements and
reset program wheel to provide addi-
tional reserve.
Program wheel is not rotating with
meter output. Pull cable out of meter cover and rotate
manually. Program wheel must move
without binding and cycle actuator must
start the cycle before the clutch
releases.
Meter is not measuring flow. Check output by observing rotation of
small gear on front of timer
(Note: Program wheel must not be
against regeneration stop for this check)
Each tooth is approximately 75 gallons
on 1-1/2
″ installations. If not performing
properly, replace meter.