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__:
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
meter.
for input
power
and
water
The
computer
monitors
electronic
components
I:i°_( ]
l_rl-_
]
and
circuits
for
correct
opera-
tion. If a malfunction
occurs,
an
error
code
appears
in the face-
plate
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.
CODE
Err1, Err3,
Err4
Err5
MOST LIKELY
_
POSSIBLE DEFECT
__
LESS LIKELY
motor inoperative / wiring harness or connection to switch / position switch / valve defect causing
high torque
faceplate timer (PWA)
PROCEDURE
FOR REMOVING ERROR CODE FROM FACEPLATE: 1. Unplug transformer
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...
- -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.
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 posi6on ind{cator
\
posit_on s witchindicator
(apen)
VALVE
IN SERVICE
POSITION
valve po s_=lon i ne_ca_.r
,_ _
_,/r'l
,
n
minutes ol _ll
........
cycle remaining
position
switci_ indicato_
(open)
VALVE
[N A RECHARGE
POSITION
(FILL
IN THIS
EXAMPLE}
vah,e _osi_n indi_atcr
(F_II and B_ine i1a_hing )
minu_s
of bnning 1_me
when valva reaches
I --.
l
'_;_-=_q
Srinmg pesi_io_) VALVE ROTATING
_i__
FROM1 RECHARGE
{ _
POSITION
TO
-=_-.
water meter
ANOTHER (FROM
tu bine _:_unt
RLLTO
BRINING
IN
posil)o_ switch I_Ior
THIS
EXAMPLE)
(dcr_ed)
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.
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
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