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SECTION 5 SERVICE TECH. INFORMATION
I I
5A. TROU BLES HOOTI NG
AUTOMATIC ELECTRONIC DIAGNOSTICS
The face plate computer has a self-diagnostic
function for the electrical system (except input
power and water meter). The computer monitors the
electronic components and circuits
for correct operation. If a malfunc- _.._ i"t__
tion occurs, an error code appears I_| I U_
in the face plate display.
The chart below shows the em)r codes that couM
appear, and the possible ctefects for each code.
While an error code appears in the display, all face
plate buttons are inoperable except the SELECT
button. The SELECT button remains operational so
the service person can make the Manual Initiated
Electronic Diagnostics to further isolate the defect,
and check the water meter.
CODE
Err 01
Err 02
Err 03
Err 04
Err 05
POSSIBLE DEFECT
MOST LIKELY -" "-- LESS LIKELY
motor inoperative / wiring harness or connection to switch / position switch / face plate
face plate
motor inoperative / face plate
face plate / position switch
face plate
PROCEDURE FOR REMOVING ERROR CODE FROM FACE PLATE: 1.Unplug transformer 2. Correct defect 3. Plug-in
transformer 4. Wait for 6 minutes. The error code will return if"the defect was not corrected.
MANUAL INITIATED ELECTRONIC DIAG-
NOSTICS
1. To enter diagnostics, press and hold the SELECT
button until 000 -- shows in the ctisplay.
TURBINE SWITCHES
nnn ___ I
uuu _ p
-I--F,
WATER METER (A) SWITCH (B)
A°
The first 3 ctigits indicate water meter operation
as follows:
000 (stead39 = Soft water not in use, and no
flow through the meter.
i OPEN A NEARBY SOFT WATER FAUCET i
POSITION
SWITCH
_ MOTOR
VALVE
OUTLET
SENSOR
HOUSING
TURBINE
IRBINE
SUPPORT AND
SHAFT
000 to 199 (continuaD = Repeats display for
each gallon of water passing through the meter.
If you don't get a reading in the display, with the
faucet ()pen, pull the sensor from the valve outlet
port. Pass a small magnet back and forth in front of
the sensor. You should get a reading in the display. If
you get a reading, unhook the in and out plumbing
and check the turbine for binding.
B°
The letter (P) and clash (or dashes) indicate POSI-
TION switch operation. If the letter appears, the
switch is closed. If the clash shows, the switch is
()pen.
Use the ON/OFF-HOLD (Recharge Now) button
to manually advance the valve into each cycle
and check correct switch operation.
20