12
Programming the Water Softener
Display
SET SALT
LEVEL button
TANK LIGHT
button
RECHARGE
button
PROGRAM THE SOFTENER
When the power supply is plugged into the electrical
outlet, the model code (rH42) and a software version
number (example: J4.0), are briefly shown in the dis-
play. Then the words “PRESENT TIME” appear and
“12:00 PM” begins to flash.
STEP 1. SET PRESENT TIME OF DAY
If the words “PRESENT TIME" do not show in the dis-
play, press the SELECT button a few times until they do.
1. Press the r UP or s DOWN buttons to set the
present time. Up moves the display ahead; down
sets the time back.
NOTE: Press buttons and quickly release to slowly
advance the display. Hold the buttons down
for fast advance.
2. When the correct time is displayed, press the
SELECT button, and the display will change to
show the “Hardness” screen.
continued on next page
FIG. 20
FIG. 19
FIG. 17
STATUS LIGHT / CLEAN REMINDER
When the water softener is connected to electrical
power, the status light above the control panel will
operate as follows:
This is a reminder to use Rheem
®
RHWSC Water
Softener Cleaner (P/N RHWSC21) three times a
year. To reset the timer, press any button on the con-
trol panel and the flashing words will disappear. The
status light will stop flashing, unless the system is
also low on salt.
U
P button
SELECT
button
DOWN
button
FIG. 18
Salt Lid
Status Light
(
see below)
FIG. 16
Blue status light
indication
Status
Flashing slowly
The salt monitor system indi-
cates a low salt level and
needs to be set. See “Salt
Monitor System” on Page 14.
Flashing slowly,
with “CLn” in the
display (Fig. 17)
Four months have elapsed on
the system’s timer since start
up or the last reset. See below.
Flashing rapidly,
with “PRESENT
TIME” in the dis-
play and the clock
flashing slowly
The present time needs to be
set, either during initial start up
or after a long power outage.
See “Set Present Time of
Day”, at right.
Flashing rapidly,
with “Err” in the
display
The electronic self-diagnostics
have detected a problem. See
“Troubleshooting” on Page 21.
On steady (not
flashing)
The system has power and
does not require any attention.
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