46 Culligan® High Efficiency 1.5 Twin Water Softener
46 Cat. No. 01024821
General Troubleshooting
NOTE Error Codes can be found in the GBE Programming for Commercial Softeners and Filters manual
(01027295)
WARNING! The valve MUST be depressurized before removing any quick connection clips for
servicing. Push the connector toward the control while removing the clips.
Problem/Symptom Cause Solution
1. Unit has blank
display
Unit has no power Verify that unit is connected to a constant power
source (Not an outlet on a switch)
Defective plug-in transformer Replace plug-in transformer
2. Softener fails to au-
tomatically initiate a
regeneration
Electrical service to the unit has been
disrupted
Verify that unit is connected to a constant power
source (Not an outlet on a switch)
Meter not properly recording total gallons
used. The flow meter connection and
operation can be verified using the test
mode setting on the circuit board.
Verify that meter cable is plugged into circuit
board. Verify that meter cable is snapped into flow
meter housing. Verify that flow meter has not be-
come plugged with debris.
Incorrect programming See the GBE Programming for Commerical Soft-
eners and Filters, except for HF xN Manual (P/N
01027295) and verify all settings.
3. Regeneration oc-
curs at incorrect
time
Timer setting incorrect Reset timer
Timer flashing Reset timer and verify that unit is connected to a
constant power source.
Circuit board set to immediate
regeneration
Set circuit board to delayed regeneration. See the
GBE Programming for Commercial Softeners and
Filters (except for HFxN) Manual (01027295) for
programming instructions.
Incorrect programming See the GBE Programming for Commerical Soft-
eners and Filters, except for HF xN Manual (P/N
01027295) and verify all settings.
4. Hard water to
service. The root
cause of hard water
to service may also
lead to problems
such as iron or
hardness bleed in
softener.
Salt or Chemical storage tank is empty Add salt or chemical to storage tank and verify that
proper level of salt or chemical is maintained
Eductor screen or nozzle plugged Clean or replace eductor nozzle and/or screen
Incorrect programming (Salt dosage too
low for influent hardness)
See the GBE Programming for Commerical Soft-
eners and Filters, except for HF xN Manual (P/N
01027295) and verify all settings.
Insufficient water flowing to salt storage
tank
Verify that refill settings are correct and clean the
refill flow restrictor.
Internal seal leak Replace pistons
Excessive water usage Verify that programming is correct for Time Clock
units increase regeneration frequency.
Unconditioned water in water heater tank Flush water heater to fill tank with conditioned
water.
5. Loss of water
pressure
Control and/or resin bed plugged with de-
bris or iron build-up
Clean control and increase frequency of regener-
ations or length of backwash. Plant recondition if
necessary
Inlet manifold plugged Remove control from tank and clean inlet manifold.
Check if eductor screen/nozzle are also plugged.
Control plugged with foreign material bro-
ken loose from recent plumbing work.
Clean control.
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