Technical Manual
31
Hard Water
Problem Possible Cause Solution
1. Water meter disc not turning. A. Bad meter drive pawl
B. Meter drive spring not seated
properly
C. No back pawl missing or broken
D. Damaged tooth on meter disc
E. Damaged gear in gear stack
A. Replace meter drive pawl
B. Reinstall meter drive spring
C. Install new no back pawl
D. Replace meter disc
E. Re-gear Level 1
2. Unit will not regenerate
automatically.
A. Meter disc not turning
B. Control disc will not advance out
of service position
C. Damaged teeth on control disc
D. Control valve will not open
E. Drain line/backwash flow control
restricted
A. See # 1 above
B. Replace regeneration start pawl
C. Replace control disc
D. Check for debris – clean if present.
E. Remove restriction/change
backwash flow control of necessary
3. No vacuum in brine position. A. Plugged venturi
B. Plugged backwash flow control/
drain line
C. Damaged outlet main valve seat
seal
A. Clean flow control, venturi throat
and Nozzle, note do not use paper
clip
B. Clean/replace flow control/free
obstruction from drain line
C. Replace main valve seat seal
4. Over/under dosing of salt. A. Brine drum/valve not level
B. Bridged salt in drum
C. Brine valve is not set correctly
D. Brine valve is faulty
E. Brine valve is dirty
F. Venturi nozzle is plugged
A. Level the brine drum/valve
B. Break up the solidified salt
C. Set the brine valve correctly
D. Replace the brine valve
E. Clean the brine valve
F. Clean venturi throat and nozzle
5. The by-pass is open or leaking. A. Accidentally left in “Open”
position
B. Damaged seal in by-pass valve or
bad ball valve in a three way by-
pass configuration
C. Bleeder valve open on bypass
A. Close the by-pass valve
B. Repair/replace bad valve(s)
C. Close bleeder valve
High Salt Use
Problem Possible Cause Solution
1. Unit regenerates too frequently. See "Frequent Regeneration" section. See "Frequent Regeneration" section.
2. Overdosing of salt. See "Salty Water" section. See "Salty Water" section.
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