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SECTION 5
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SERVICE TECH. INFORMATION
A. jrouBLESHOOTING
VALVE POSITION INDICATORS: Depending on
the valve position, the following indicators show in
the display:
INDICATOR
Serv...............
Fill
................
Brine
..............
Bkwash
...........
VALVE POSITION
service
fill
brining/brine rinse
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
display (or a flashing display when setting times
or hardness), present time automatically returns
if a button is not pressed within 4 minutes. To
return to the diagnositc display, repeat step 2.
OTHER INFORMATION: While in this diagnostic
screen, the following information is available and
may be beneficial for various reasons. This informa
tion is retained by the computer from the first time
electrical power is applied to the faceplate.
...Press 0 to display the number of days this face
plate has had electrical power applied.
,. ,Press0 to display the number of regenerations
initiated by this faceplate since the SR code number
was entered.
Press the ON / OFF-FiOLD 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.
Press and hold the SELECT button for 3 seconds
until...
...SR27 shows.
This code identifies the softener nominal capacity
size. If the wrong number shows, the softener will
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 DO WN
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.
ino
position
markers
(valve in
service)
CAM
5 - 3
(40 pages)
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