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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
monitors
electronic
components
I
and
circuits
for
correct
opera-
_l-I-
I
L
tion, If a malfunction
occurs,
an
error
code
appears
in the face-
_late 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 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
CODE
Err1, Err3,
motor inoperative / wiring harness or connection to switch / position switch / valve defect causing
Err4
hiplh torque
Err5
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
I
To enter
diagnostics,
press
the SELECT button
and hold
for three seconds.
You will see the following
display,
showing
valve
cycle
position,
position
switch
status
(open
or
closed),
and turbine
operation.
valve position indicator
i l uuoq
position switch
indicator (open)
turbine count (water
flowing)
_N_
I "_"_
/_'7,n
I
22
turbine count (no
water flowing)
TURBINE
OPERATION:
If no
water
is flowing
through
the softener,
the turbine
indicator
displays
three
zeros.
When
water
is flowing,
the flow bar
scrolls
across
the display,
and a 000 to 199 count
re-
peats
for each gallon
of water
passing
through
the
turbine.
To check
for positive
operation
of the tur-
bine
if zeros
are shown,
open
a nearby
soft water
faucet
and observe
the turbine
count
and flow bar.
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.
(
POSITION
SWITCH
_
-" --
T.
_"
SENSOR
HOUSING
I_-TURBINE
_TURBINE
SUPPORT AND
SHAFT
VALVE
OL
POSITION
SWITCH
STATUS:
With the valve
in ser-
vice, or any of the recharge
cycles, the switch
indica-
tor will show
open
-'_-. While
the valve
is rotating
from
1 position
to another,
the indicator
will show
the switch
closed
-"---. A defect
is probable
if indica-
tions
vary
from this pattern.
5-2
Problems,
Questions?
Call
1-800-426-9345
Kenmore
Water
Line
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