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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
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