SECTION 5 SERVICE mECH. INFORMATION
A. TROUBLESHOOTING
MANUAL ADVANCE DIAGNOSTICS
Use the following procedures to advance the filter
valve through the regeneration cycles to check op-
eration.
Remove the top cover to observe cam and switch op-
eration during valve rotation.
DISPLAY MUST SHOW TIME AND DAY
1. Press and hold the RECHARGE button for 3 sec-
onds until RECHARGE NOW flashes in the display
and the filter moves into the backwash cycle.
Be sure household water pressure (well system) is
maintained at a minimum of 20 psi. Adjust the
pump switch upward, if needed.
3. Press the RECHARGE button to move the filter
into fast rinse. Again, look for a drain flow rate about
the same as backwash.
4. To return the filter to service, press the RE-
CHARGE button once.
OTHER SERVICE
UNFILTERED WATER BYPASS (unfiltered water
"bleeds" into filtered water supply.
1. Missing or defective o-ring(s) at resin tank to
valve connection.
...If the motor does not run, check the motor and all
wiring connections.
2. Look for a fast flow of water from the drain hose
(see specifications, page 4-1).
...An obstructed flow indicates a plugged top dis-
tributor, backwash flow plug, or drain hose.
2. Defective rotor disc, seal or wave washer.
WATER LEAKS FROM DRAIN HOSE (during ser-
vice)
1. Defective rotor disc, seal, or wave washer.
2. Defective o-ring on disc shaft.
AUTOMATIC ELECTRONIC DIAGNOSTICS
The face plate has a self diagnostic function for the
electrical systems (except input power). The face
CODE
Err 01, Err 03
& Err 04
Err 05
plate monitors the electronic components and cir-
cuits for correct operation. If a malfunction occurs,
an error code appears in the face plate display.
POSSIBLE DEFECT
MOST LIKELY _ .... _ LEAST LIKELY
wiring harness or connection to position switch /switch /valve defect causing high torque /
motor inoperative
faceplate
PROCEDURE FOR REMOVING ERROR CODE FROM FACEPLATE: 1. Unplug transformer .... 2. Correct de-
fect .... 3. Plug intransformer .... 4. Wait for 12minutes. The error code will return ifthe defect was not corrected. Press and hold the
RECHARGE button for3 seconds as an alternate way to clear an error code.
5-3
Problems, Questions? Call 1-800-426-9345 Kenmore Water Line