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Problem

Possible Causes

What To Do

No soft water

Faucet or fixture where sample

To conserve salt, the installer may have isolated some 

was taken not plumbed to soft 

fixtures (outside faucets, toilets, etc.) from soft water. 

water.

NOTE: Be sure sample 

From the outlet of the water softening system, trace the 

is from a faucet that does not mix 

water flow path, in house plumbing. If soft water is not 

soft and hard water. For example, 

directed to a faucet or fixture where wanted, consult a 

a single lever kitchen faucet, if 

plumber.

the cold side is plumbed to hard 
water

No salt in the brine tank

Check for a salt bridge or, if the tank is empty, refill with 

or salt bridged

recommended salt. Press (for 3 seconds) the 

TOUCH or 

HOLD 

button to start an immediate regeneration and 

restore soft water supply.

Transformer unplugged

Check for a loss of electrical power to the water softening 

at wall outlet or power

system due to any of these conditions and correct as

cable to water softening

needed. With the power supply restored, observe the 

system not connected

control display and read 

Program Memory 

section.

Fuse blown or circuit
breaker popped on circuit
to electrical outlet

Electrical outlet on

NOTE: The electrical outlet for the water softening system 

a circuit that can be

should be continuously live so it cannot be accidentally 

switched off

switched off.

Manual bypass valve in

Be sure the bypass valve stem is positioned properly. 

bypass position

Observe instruction on the decal at the end of the stem.

Valve drain hose pinched,

Any restriction in this drain hose may prevent proper 

plugged, elevated too high 

operation of the nozzle and venturi and reduce or 

or otherwise restricted

prevent brine draw during regenerations.

Nozzle and venturi dirty,

With water pressure to the water softening system off, take 

incorrectly assembled or 

the nozzle assembly apart. Inspect, clean and replace as 

damaged

needed. Any foreign particle(s), scratches, nicks, etc., in 

the passages can prevent operation. Be sure holes in the 

gasket are centered over holes in the housing.

Water hard sometimes

Using hot water while the

Avoid using hot water during water softening system

water softening system

regenerations because the water heater will refill with 

is regenerating

hard water. See

Automatic Hard Water Bypass During 

Regeneration 

section. 

Control hardness number

Press and release the 

SELECT

button until 

HARDNESS 

shows 

setting too low

in the display. Be sure the number shown is the same as the 

actual grains per gallon hardness of your water supply. 

See the 

Control

section if a change in the setting is needed.

Grains of hardness in your 

Water hardness can change over time, especially in well 

water supply have increased

water. To check, have the water tested by a water analysis 

laboratory or call your local water department. Adjust the 

hardness number setting as needed.

Operating Instr

uctions

Safety Instr

uctions

Customer Ser

vice

Tr

oubleshooting T

ips

Before you call for service…

14

Summary of Contents for GNSF18Z01

Page 1: ...GNSF18Z01 GNSF23Z01 GNSF35Z01 GE Appliances Water Softening System Part No 215C1002P001 2 Pub No 49 5799 2 12 97 CG 7178927 Owner s Manual GE Answer Center 800 626 2000...

Page 2: ...and hope you will continue to rely on us whenever you need quality appliances for your home FOR YOUR RECORDS Write the model and serial numbers here You can find them on the back of the control head S...

Page 3: ...w freezing or exposed to any type of weather Water freezing in the system will break it Do not attempt to treat water over 100 F Do not install in direct sunlight Excessive sun heat may cause distorti...

Page 4: ...e limits min max psi Pressure drop at rated service flow psig Water temperature maximum F Water supply minimum flow rate gpm Regeneration cycle flow rates gpm Fill flow to brine tank Brining Brine Rin...

Page 5: ...the hard minerals from the resin beads To make the brine water flows into the salt storage area during the fill stage as shown Brining During brining brine travels from the salt storage area into the...

Page 6: ...s instructed below If SR is flashing use the UP button to set the correct SR code as follows SR17 for model GNSF23Z SR35 for model GNSF35Z and SR18 for model GNSF18Z If you pass by the correct code nu...

Page 7: ...ide you with soft water However regenerations may occur at the wrong time of day until you reset the control to the correct time of day Feature Optional Recharge Controls Sometimes a manually started...

Page 8: ...CODE DISPLAYED ERR 01 ERR 02 ERR 03 ERR 04 ERR 05 POSSIBLE DEFECT motor position motor position control inoperative switch inoperative switch or PWA or wiring wiring harness harness wiring harness con...

Page 9: ...and may be beneficial for various reasons This information is retained by the computer from the first time electrical power is applied to the control Press and hold the UP button to display the number...

Page 10: ...an elevated drain hose may cause back pressure stopping brine draw Again press the TOUCH or HOLD button to move the water softening system into backwash Look for a fast flow of water from the drain h...

Page 11: ...form or grow However during shipping storage installing and operating bacteria could get into the softener For this reason sanitizing as follows is suggested upon installation and once per year therea...

Page 12: ...clean nozzle and venturi is needed for the water softening system to work properly This small unit makes the suction to move brine from the salt storage area to the resin tank during regeneration If i...

Page 13: ...Check the circuit breaker or fuses Cloudiness on glassware Combination of soft This is called etching and is permanent To prevent this automatic dishwashers water and too much from happening use less...

Page 14: ...the bypass valve stem is positioned properly bypass position Observe instruction on the decal at the end of the stem Valve drain hose pinched Any restriction in this drain hose may prevent proper plu...

Page 15: ...Customer Service Troubleshooting Tips Operating Instructions Safety Instructions Notes 15...

Page 16: ...Operating Instructions Safety Instructions Customer Service Troubleshooting Tips 16 Notes...

Page 17: ...protection or you may request your money back on the remaining value of your contract No questions asked It s that simple Protect your refrigerator dishwasher washer and dryer range TV VCR and much mo...

Page 18: ...tment Complete and mail your Consumer Product Ownership Registration today Have the peace of mind of knowing we can contact you in the unlikely event of a safety modification After mailing the registr...

Page 19: ...he exclusion or limitation of incidental or consequential damages This warranty gives you specific legal rights and you may also have other rights which vary from state to state To know what your lega...

Page 20: ...to service their own appliances can have parts or accessories sent directly to their homes VISA MasterCard and Discover cards are accepted Instructions contained in this manual cover procedures to be...

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