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[!ii:ii:ii:ii: i:ii:ii: i:ii:ii: i:i SECTION 5 Ii ii:ii: i:ii:ii: i:ii:ii: i:ii:ii]S E RVIC E TEC H. INFO RMATIO N
A. TROUBLESHOOTING
VALVE POSITION INDICATORS: Depending on
the valve position, the following indicators show in
the display:
INDICATOR VALVE POSITION
Serv ....................... service
Fill ........................ fill
Brine ...................... brining/brine rinse
Bkwash .................... backwash
Rinse ...................... fast rinse
When the valve is rotating from one cycle to another,
both indicators flash. For example, if the valve is in
transition between fill and brining, both Fill and
Brine flash. Upon reaching brining position, Fill
goes off and Brine is on steady. The time display
shows the minutes of the cycle remaining.
NOTE: If the faceplate is left in a diagnostic I
display (or a flashing display when setting times I
or hardness), present time automatically returns I
if a button is not pressed within 4 minutes. To
return to the diagnositc display, repeat step 2.
OTHER INFO_TION: While in this diagnostic
screen, the following information is available and
may be benefidal for various reasons. This infom_a-
tion is retained by the computer from the first time
electrical p_ower is applied to the faceplate.
...Press _ to display the number of days this face
plate has had electrical power applied.
...Press[_ to display thenumber of regenerations
initiated by this faceplate since the SR code number
was entered.
_ Press the ON / OFF-HOLD button to advance the
valve to each position and observe the switch
and position indicators to verify component op-
eration, or to possibly isolate a defect.
_1_ Press and hold the SELECT button for 3 seconds
until...
...SR27 shows.
I
I I
-q-I- I
operate on incorrect programming. Do the follow-
ing as needed.
SR27 does show -- Press the SELECT button to re-
turn to the present time display.
To change SR number -- Press the UP or DOWN
button until SR27 shows. Then, press the SELECT
button and reset the timer...page 1-3.
TIMER PWA REPLACEMENT: Be sure the
valve is in service position when replacing the
timer PWA (observe valve cycle indicator).
If, after installing and programming the re-
placement timer PWA, the valve is not in ser-
vice position, do the following to assure correct
cycle orientation, or timing, between the face-
plate and valve.
Use the MANUAL ADVANCE procedures,
page 5-4. With the RECHARGE NOW button,
advance through the recharge cycles until the
valve stops in service position, and RE-
CHARGE no longer flashes in the display.
NOTE: The valve motor may automatically
drive through several valve positions while
searching for service. If an error code occurs,
unplug the transformer, then plug in again.
r
J.nO NI
position
markers
(valve in
service)
CAM
MOTOR
This code identifies the softener nominal capacity
size. If the wrong number shows, the softener will
5-3