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10

Operating Instr

uctions

Safety Instr

uctions

Customer Ser

vice

Tr

oubleshooting T

ips

About the water softener system.

Care and cleaning of the water softening system.

Service: Manually Advance Regeneration Check

This check verifies proper operation of the valve motor, brine tank fill, brine draw, regeneration

flow rates and other controller functions. First, make the initial checks and the 

Manually Initiated

Electronic Diagnostics.

NOTE: 

The control display must show a steady time (not flashing).

Press the 

TOUCH or HOLD 

button and hold in for three seconds. 

RECHARGE NOW 

begins to

flash as the water softening system enters the fill cycle of regeneration. Remove the brinewell

cover and, using a flashlight, observe fill water entering the brine tank.
If water does not enter the tank, look for an obstructed nozzle, venturi, fill flow plug or brine

tubing. See 

Care and cleaning of the water softener system 

section.

After observing fill, press the 

TOUCH or HOLD 

button to move the water softening system into

brining. A slow flow of water to the drain will begin. Verify brine draw from the brine tank by

shining a flashlight into the brinewell and observing a noticeable drop in the liquid level

over an extended period of time.

NOTE: 

Be sure a salt bridge is not preventing water from contacting salt. See 

Care and cleaning of

the water softening system 

section.

If the water softening system does not draw brine, check:

nozzle and/or venturi dirty or defective.

nozzle and venturi not seated properly on gasket.

restricted drain (check drain fitting and hose).

defective nozzle and venturi seal.

other inner valve defect (rotor seal, rotor & disc, wave washer, etc.).

NOTE: 

If water system pressure is low, 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 hose.
A slow flow indicates a plugged top distributor, backwash flow plug, or drain hose.
Press the 

TOUCH or HOLD

button to move the water softening system into fast rinse. Again

look for a fast drain flow. Allow the water softening system to rinse for a few minutes to flush

out any brine that may remain in the resin tank from the brining cycle test.
To return the water softening system to service, press the 

TOUCH or HOLD 

button.

5

4

3

2

1

Checking the Salt Storage Level and Refilling

Brine (salt dissolved in water) is needed for

each and every regeneration. The water for

making brine is metered into the salt storage

area by the water softening system valve and

control. 

However, you must keep the tank at

least 1/3 to 1/2 full of salt.

When to refill with salt:

Check the salt level a

few weeks after you install the water softening

system and every week after that. Refill when

the brine tank is from 1/3 to 1/2 full. Never

allow the water softening system to use all the

salt before you refill it. Without salt, you will

soon have hard water.

Use clean water softening salts only, at least

99.5% pure. NUGGET, PELLET or coarse

SOLAR salts are recommended. 

Do not use

rock, block, granulated or ice cream-making
salts.

They contain dirt and sediments, or

mush and cake, and will create maintenance

problems.

CAUTION: Water softening salt with iron-
removing additives:

Some salts have an

additive to help the water softening system

handle iron in the water supply. Although

this additive may help to keep the water

softening system resin clean, it may also

release corrosive fumes that weaken and

shorten the life of some water softening

system parts. 

Do not

use salt with iron-

removing additives.

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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