Kenmore 420 Series warranty Procedure for Removing Error Code from Faceplate, Possible Defect Code

Page 39

Service Tech Information

The faceplate timer (PWA) computer has a self-diag- nostic function for the electrical system, except for input power and water meter. The computer monitors elec- tronic components and circuits for correct operation. If a malfunction occurs, an error code appears in the face- plate display.

The chart below shows the error codes that could appear, and the possible defects for each code.

Error #1

Service Required

See Owner’s Manual

Diagnostics

FIG. 62

 

 

POSSIBLE DEFECT

 

 

 

 

 

 

 

CODE

MOST LIKELY

 

 

 

LESS LIKELY

 

 

 

 

 

 

 

 

 

Err1, Err3, Err4

motor inoperative / wiring harness or connection to switch / position switch . valve defect causing high torque

 

 

 

 

Err5

faceplate timer (PWA)

 

 

 

 

 

 

 

While an error code appears in the display, all face plate buttons are inoperable except the SELECT button. SELECT remains operational so the service person can make the MANUAL INITIATED ELECTRONIC DIAG- NOSTICS (below) to further isolate the defect, and check the water meter.

PROCEDURE FOR REMOVING ERROR CODE FROM FACEPLATE:

•Unplug transformer from outlet.

•Correct defect

•Plug in transformer.

•Wait for 8 minutes.

The error code will return if the defect was not corrected.

MANUAL INITIATED ELECTRONICS DIAGNOSTICS:

1.To enter diagnostics, press the SELECT button once to go to the Main Menu. Move the black bar to Service Mode and press Select. Move black bar to Diagnostics and press Select.

You will see the display, showing valve cycle position, position switch status (open or closed), and turbine operation.

TURBINE OPERATION: If no water is flowing through the softener, the turbine indicator displays 3 zeros. When water is flowing, a 000 to 140 count repeats for each gallon of water passing through the turbine. To check for positive operation of the turbine if zeros are shown, open a nearby soft water faucet and observe the turbine count. If you don't get a reading in the dis- play, with faucet open, pull the sensor from the valve outlet port. Pass a small magnet back and forth in front of the sensor. You should get a reading in the display. If you get a reading, unhook the in and out plumbing and check the turbine for binding.

valve position indicator

10 : 39 : 56 AM

 

 

10 : 39 : 56 AM

Pos: SERVICE 0 : 00

 

 

Pos: SERVICE 0 : 00

Req Pos: SERVICE

 

 

Req Pos: SERVICE

Motor: Off

 

 

 

Motor: Off

 

Trbn: 000

Gals: 0

 

 

Trbn: 126

Gals: 0

Days: 1

Rchgs: 0

 

 

Days: 1

Rchgs: 0

Last Rchg: 4

 

 

 

Last Rchg: 4

 

 

 

 

 

 

 

 

position switch

 

 

 

indicator (open)

 

turbine count (no

 

 

 

turbine count

water flowing)

 

 

 

(water flowing)

FIG. 63

Questions? Call The Kenmore Water Line 1-800-426-9345

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Contents Save this Manual Water SoftenersTEN Year Limited Warranty Against Leaks Warranty on Water SoftenerONE Year Limited Warranty on Water Softener Three Year Limited Warranty on Electronic PartsFacts and Figures to Keep Table of ContentsSafety Guides Inspect Shipment Unpack and Check Your CartonParts Descriptions Small PartsTools Needed Plan Your InstallationProper Order to Install Water Treating Equipment Plan Your InstallationSoft, Hot Where to Install the Water SoftenerDraw in Your Pipes and Fittings Suggested Slab Foundation InstallationPIPE, FITTINGS, Other Materials Needed OUTBefore Installing Checks & Tests Read Before Beginning InstallationInlet and Outlet Threaded Adaptors Install Plastic Bypass ValveAssemble Inlet Outlet ADAPTORS, or Plastic Bypass Valve Bypass ValveValve Bypass Install 3-Valve BypassInstalling Holding Clips Installing 3 Valve Bypass and PipesPosition Softener Into Place Locate Water Softener and Connect PipesMove Softener Into Place Typical Soldering ConnectionsConnect Valve and Salt Tank Drains Connect the Valve Drain HoseConnect Salt Tank Overflow Tubing Leak Test Leak TestHouse Main Water Shutoff Valves Single BypassCold Water Pipe Grounding Water Meter Jumper WireConnecting Transformer Electrical RequirementsProgram the Timer Install Covers and Restart Water HeaterProgram The Timer Install CoversSET Water Hardness Number SET Present Time of DAYRecharge Time SET Regeneration TimeSanitize The Water Softener Sanitize the Water SoftenerSanitize Your Water Softener AS Follows Adding Salt To The Storage Tank Adding Salt to the Storage TankWater Softening Salt with Iron Removing Additives Check List Check List of STEP-BY-STEP Guides to InstallFaceplate Timer Features Options OptionsKCl Units Service Mode KENMORE’S Ultra Cleansing Feature Water Flow Through Softener in Fill Water Flow Through Softener in ServiceSoft Water Service and Regeneration How Your Water Softener WorksWater Flow Through Softener in Backwash Water Flow Through Softener Brining and Brine RinseWater Flow Through Softener Fast Rinse Automatic BypassElectronics Care Of Your Water Softener Salt BridgeSalt Bridge Keeping the Water Softener Clean Iron from Resin BEDNozzle & Venturi Protect the Water Softener from Freezing Drain ALL Water from SoftenerChecklist to Help YOU Save Money Problem Cause CorrectionSpecifications Model 384260 Timer Code H46 Model 394260 Timer Code H47Bypass Valves Performance Claims Always Make These Initial Checks First Service Tech InformationWiring Schematic FaceplateProcedure for Removing Error Code from Faceplate Manual Initiated Electronics DiagnosticsPossible Defect Code Timer PWA Replacement Cycle Flow Rates Gallons PER MIN Manual Advance Regeneration CheckTo Relieve Pressure Rotary Valve ServiceDisassembly AssemblyWater Flow Through the Softener Valve Service Cycle Fill CycleBrining and Brine Rinse Cycle Fast Rinse Cycle Water Flow Through the Softener Valve Backwash CycleFast Rinse Cycle Backwash CyclePage Exploded View Water Softener Complete Parts ListInlet Outlet Grounding Clamps Brine Valve Assembly Wear-Strip Seal Cross-Section View Key Part Number Part Description Get it fixed, at your home or ours

420 Series specifications

The Kenmore 420 Series is a popular line of home appliances designed to elevate the overall cooking experience. This series is a reliable choice for many households, offering a range of advanced features and user-friendly technologies that enhance performance and convenience.

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