62 Culligan® CSM Series Softeners
62 Cat. No. 01016370
PROBLEM OR SYMPTOM CHECK PROCEDURE CAUSE
Hard Water Leakage Into the Service
Lines.
CAUTION: make certain that the
water pressure is relieved from the
system before removing any dia-
phragm valve cover.
Loosen the tubing on the Brunermatic
bypass valve #17 Close the inlet and
outlet valves and inspect the Bruner-
matic bypass valve.
If no flow from the tubing the pilot
strainer is probably plugged.
• Seat washer may be dirty, worn or
loose.
• Seat may be rough or eroded.
• Diaphragm may be ruptured.
Check that valve #2 is seating. Build-up on the inside of the valve
cavity may be preventing the dia-
phragm assembly from seating in the
guide cage.
Restricted or No Service Flow Either valves #1 or #4 are not opening
fully. To determine which one, turn the
pilot to position #1. Observe the flow
to the drain. Rotate the pilot to posi-
tion #3 and compare the flow of water
in position #3 to the flow in position
#1. Return the pilot to H (Home).
Flow should be the same for both po-
sitions but if not:
• Valve #4 is not opening properly.
• If backwash (position #1) is higher,
then valve #1 is not responding
properly.
Potentially clogged distributors or
compacted media bed.
Failed distributors.
Contamination of resin bed.
Restricted or No Drain Flow During
Backwash
Turn the pilot to Position #1 and then
to position #3, comparing the rate of
flow to the drain. Return the pilot to H
(Home).
Flow should be the same. If not:
• If the flow in position #3 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 3 is greater
than position 1 then valves #2 and
#5 are not functioning properly
Media to Service Check tank distribution system Broken lateral
Bad distributor.
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.
Leak From End of Pilot Body Visually inspect u-cup and seals on
pilot valve spool.
Worn or pinched u-cup or a scratch on
the pilot valve spool.
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