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SECTION5 SERVICE TECH. INFORMATION
A. TROUBLESHOOTING
AUTOMATIC ELECTRONIC DIAGNOSTICS
The faceplate timer (PWA) computer has a self-
diagnostic function for the electrical system, except
for input power and water meter. The computer
m°nit°rs electr°nic c°mp°nents I I
and circuits for correct opera- _.l"f- I
tion. If a malfunction occurs, an
error code appears in the face-
plate display.
CODE
Errt, Err3,
Err4
Err5
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 SELECT but-
ton. SELECT remains operational so the service per-
son can make the MANUAL INITIATED ELEC-
TRONIC DIAGNOSTICS (below) to further isolate
the defect, and check the water meter.
POSSIBLE DEFECT
MOST LIKELY _ _,, LESS LIKELY
motor inoperative / wiring harness or connection to switch / position switch / valve defect causing
hiqh torque
faceplate timer (PWA)
PROCEDURE FOR REMOVING ERROR CODE FROM FACEPLATE: 1. Unplug transformer from outlet 2. Correct
defect 3. Plug in transformer 4. Wait for 6 minutes. The error code will return if the defect was not corrected.
MANUAL INITIATED ELECTRONICS
DIAGNOSTICS
_1_ _lb enter diagnostics, press the SELECT button
until 000 - - shows in the display.
y,_,,_, p
-I-T ,-or,
WATER METER (A) SWITCH (B)
A. The first 3 digits indicate water meter operation
as follows:
000 (steady) = Soft water not in use, and no
flow through the meter.
--OPEN A NEARBY SOFT WATER FAUCET--
-..
SHAFT D
VALVE
OUTLET
000 to 199 (continual) = Repeats display for each
gallon of water passing through the meter.
If you don't get a reading in the display, 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.
B. The letter (P) and dash (or dashes) indicate
POSITION switch operation. If the letter ap-
pears, the switch is closed. If the dash shows, the
switch is open.
Use the RECHARGE button to manually ad-
vance the valve into each cycle and check correct
switch operation.
5-2
Problems, Questions? Call 1-800-426-9345 Kenmore Water Line