Culligan MARK 100 Service Manual page 22

PROBLEM
4. Phone Icon is displayed.
5. Hard water to service.
The root cause of hard water
to service may also lead to
problems such as Iron or
Hardness bleed in softeners.
6. Loss of water pressure.
20 CULLIGAN MARK 100 WATER SOFTENER
®
CAUSE
A. Jammed seal pack or brine
piston.
B. Defective cam microswitches.
C. Defective motor.
A. Cul-Flo-Valv is open or o-rings
®
on Cul-Flo-Valv bypass stem
®
are cut.
B. Salt or Chemical storage tank is
empty.
C. Eductor screen or nozzle
plugged.
D. Incorrect programming. (Salt
dosage too low for influent
hardness)
E. Insufficient water flowing to salt
storage tank.
F. Internal seal leak.
G. Excessive water usage.
H. Unconditioned water in water
heater tank.
I. Inadequate mineral in media tank.
A. Control and/or resin bed
plugged with debris or iron
build-up.
B. Inlet manifold plugged.
C. Control plugged with foreign
material broken loose from
recent plumbing work.
SOLUTION
i. Replace the seal pack or brine
piston as outlined in the 'Parts
Replacement Guide' section.
i. Replace cam microswitches.
i. Replace the motor as outlined
in the 'Parts Replacement
Guide' section.
i. Close bypass valve or replace
o-rings on bypass stem.
i. Add salt or chemical to storage
tank and verify that proper
level of salt or chemical is
maintained.
i. Clean or replace eductor
nozzle and/or screen.
i. Refer to the 'Programming'
section and verify that
settings are correct.
i. Verify that refill settings are
correct, and clean the refill
flow restrictor.
i. Replace seal pack as outlined
in the 'Parts Replacement
Guide' section.
i. Verify that programming is
correct. For Time Clock units
increase regeneration fre-
quency.
i. Flush water heater to fill tank
with conditioned water.
i. See problems 7 & 8.
i. Clean control and increase
frequency of regenerations or
length of backwash. Plant
recondition if necessary.
i. Remove control from tank and
clean inlet manifold. Check if
eductor screen/nozzle are also
plugged.
i. Clean control.