SECTION 5

SERVICER'S TECH. INFORMATION

5C.TROUBLESHOOTING

AUTOMATIC ELECTRONIC DIAGNOSTICS

The face plate has a self9diagnostic function for the electrical system (except input power). The face plate monitors the electronic 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.

While an error code appears in the display, all face plate buttons are inoperable except the SET button. The SET button remains operational so the service person can make the MANUAL ADVANCE DIAGNOS9 TICS to further isolate the defect.

 

POSSIBLE DEFECT

 

CODE

MOST LIKELY

 

LESS LIKELY

 

 

 

 

EÐ1

motor inoperative / wiring harness or connection to switch / switch / face plate

 

 

 

 

EÐ2, EÐ3

face plate

 

 

 

 

EÐ4

face plate / position switch

 

PROCEDURE FOR REMOVING ERROR CODE FROM FACE PLATE: 1. Unplug transformer 2. Correct defect 3. Plug9in transformer 4. Wait for 6 minutes. The error code will return if the defect was not corrected.

FACE PLATE REPLACEMENT: Be sure the valve is in service position (observe valve cycle indicator. . . see below) when replacingthe face plate.

If, after installing and programming the replacement face place, the valve is not in service position, do the follow9 ing to assure correct cycle orientation, or timing, between the face plate and valve.

Use the MANUAL ADVANCE procedures, below. With the RECHARGE NOW button, advance through the recharge cycles until the valve stops in service position, and RECHARGE no longer flashes in the timer.

NOTE: The valve motor may automatically drive through several valve positions while searching for service.

MANUAL ADVANCE DIAGNOSTIC

Use the following procedures to advance softener valve through regeneration cycles to check operation.

Remove top cover to observe valve rotation.

DISPLAY MUST SHOW TIME AND DAY

1. Press and hold ￿ for 3 seconds until 18:88 displays.

2. Press ￿ to display position (P) switch open or closed indicator.

While the valve is rotating from 1 cycle to another, the display will show (- P), mean9 ing the position switch is closed.

3. To advance valve, press ￿ each time you want to move into next cycle. (Pressing ￿ while valve is rotating has no affect.)

MOTOR

position markers

CAM

If the valve is in service, fill, brining, backwash or fast rinse (see markings on cam under motor), the display will show… (- -), meaning the position switch is open.

:Press and hold ￿ for 3 seconds to move softener into fill cycle. Remove brinewell cover and, using a flashlight, observe fill water entering tank.

continued

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Kenmore 625.3483400, 625.3483500 Servicers TECH. Information 5C.TROUBLESHOOTING, Automatic Electronic Diagnostics
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625.3483400, 625.3483500 specifications

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