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SECTION 5 SERVICE TECH. INFORMATION
5A. 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 i 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 information is
retained by the computer from the first time electrical
power is applied to the faceplate.
...Press [] to display the number of days this
face plate has had electrical power applied.
...Press [] to display the number of regenera-
tions initiated by this faceplate since the HF code
number was entered.
1
Press the ON/OFF-HOLD button to advance
the valve to each position and observe the
switch and position indicators to verify compo-
nent operation, or to possibly isolate a defect.
3. Press and hold the SELECT button for 3
seconds until...
...HF31 shows.
HF31 does show -- Press the SELECT button to
return the present time display.
To change HF number-- Press the UP or DOWN
button until HF31 shows. Then, press the SELECT
button and reset the timer.., page 6.
TIMER (PWA) REPLACEMENT: Be sure the
valve is in service position (observe valve
cycle indicator) when replacing the timer
(PWA).
If, after installing and programming the re-
placement timer (PWA), the valve is not in
service position, do the following to assure
correct cycle orientation, or timing, between
the faceplate and valve.
Use the MANUAL ADVANCE procedures,
page 23. 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.
position
markers
(valve in
service)
CAM
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.
22