20
While an error code appears in the display, all buttons
are inoperable except the SELECT button. SELECT
remains operational so the service person can per-
form the Manual Advance Diagnostics, see below, to
further isolate the problem.
Procedure for removing error code from dis-
play:
1
. Unplug power supply from electrical outlet.
2
. Correct problem.
3
. Plug power supply back in.
4
. Wait 8 minutes. The error code will return if
the problem was not corrected.
MANUAL ADVANCE DIAGNOSTICS
Use the following procedures to advance the water
treatment system through the regeneration cycles to
check operation.
Remove the top cover to expose the valve and ob -
serve cam and switch operation during valve rotation.
1
. Press and hold SELECT for 3 seconds until “000”
shows in the display, then release.
2
. The 3 digits indicate water meter operation as fol-
lows:
000 (steady) = Soft water not in use, and no flow
through the meter.
Open a nearby soft water faucet.
000 to 199 (continual) = Repeats for each gallon
of water passing through
the meter.
3
. The letter “P” and a dash (or dashes) indicate
POSITION switch operation (See Figure 38). If the
4
. Use the RECHARGE button to manually advance
the valve into each cycle and check correct switch
operation.
NOTE:
Be sure water is in contact with the salt, and
not separated by a salt bridge (See "Breaking
A Salt Bridge" section).
5
. While in this diagnostic screen, the following infor-
mation is available and may be beneficial for vari-
ous reasons. This information is retained by the
computer from the first time electrical power is
applied to the electronic controller.
a
. Press the
p
UP button to display the number of
days this electronic control has had electrical
power applied.
b
. Press the
q
DOWN button to display the number
of regenerations initiated by this electronic con-
trol since the code number was entered.
6
. Press and hold the SELECT button until the model
code (“EPHy” for Model EPHY) shows in the dis-
play. This code identifies the water treatment sys-
tem model. If an incorrect model code is dis-
played, the system will operate on incorrect config-
uration data.
7
. To change the code number, press the
p
UP or
q
DOWN button until the correct code shows.
8
. To return to the present time display, press the
SELECT button.
Water
Meter
Switch
AUTOMATIC ELECTRONIC DIAGNOSTICS
This water treatment system has a self-diagnostic
function for the electrical system (except input power
and/or water meter). The system monitors electronic
components and circuits for correct operation. If a mal-
function occurs, an error code appears in the display.
FIG. 37
FIG. 38
letter appears, the switch is closed. If the dash
shows, the switch is open.
Troubleshooting
FIG. 39
