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[i!i !!:i _ !!:i _ !!:i_ !!: SECTION 5 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 me-
ter. The computer monitors elec-
tronic components and circuits
for correct operation. If a mal-
function occurs, an error code
appears in the faceplate display.
...... I- -I
.... i-r-i- _7
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.
CODE
Err1, Err3,
Err4
Err5
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 8 minutes. The error code wilt return if the defect was not corrected.
MANUAL INITIATED ELECTRONICS
DIAGNOSTICS
_To enter diagnostics...
- -from a error code display, press the SELECT 1
button.
--from a time display, press and hold the SE-
LECT 1 button for 3 seconds.
valveposi_onindicator
(Filland BrineIlashing)
__ / _ rninutes of brining time
when valve reaches
I-. I VA'V .OTAT,NO
_J- _ FROM1 RECHARaE
: _ * l_ =LIUU _ POSITION TO
-=P-L_--I \_ ..... I _ watermeter ANOTHER(FROM
\ turbine count FILLTO BRINING IN
positionswitchindicator THIS EXAMPLE)
(dosed)
You will see one of the following displays. All of the
displays show what position the valve is in, if the
turbine is operating, and the position switch open or
closed status.
valve portion indicator
!,
!
m7
\ '"
FL
\
position switch indicator
(open)
number o! days
__.. since the last VALVE IN SERVICE
egenera_on POSITION
water meter
turbine count
valve position indicator
""1-'" cycle remaining
_ watermeter
turbine count
posi_onswitchindicator
(open)
VALVE INA RECHARGE
POSITION (FILL, IN THIS
EXAMPLE}
POSITION SWITCH STATUS: With the valve in ser-
vice, or any of the recharge cycles, the switch indica-
tor will show open _x... While the valve is rotating
from one position to another, the indicator will
show the switch closed -",-. A defect is probable if
indications vary from this pattern.
WATER METER TURBINE: With soft water in use,
the turbine flow rate display continually repeats a
000 to 140 count for each gallon of water passing
through the turbine. The display will remain a
steady...000 if soft water is not in use (open a nearby
soft water faucet to check).
If you don't get a reading in the display, with facuet
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.
5-2
Problems, Questions? Call 1- 800- 426- 9345 Kenmore Water Line