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SERVICE TECH. INFORMATION
SECTION 5
20
5A. TROUBLESHOOTING
AUTOMATIC ELECTRONIC DIAGNOSTICS
The face plate computer has a selfĆdiagnostic
function for the electrical system (except input
power and water meter). The computer monitors the
electronic components and circuits
for correct operation. If a malfuncĆ
tion occurs, an error code appears
in the face plate display.
The chart below shows the error codes that could
appear, and the possible defects 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
POSSIBLE DEFECT
MOST LIKELY LESS LIKELY
Err 01 motor inoperative / wiring harness or connection to switch / position switch / face plate
Err 02 face plate
Err 03 motor inoperative / face plate
Err 04 face plate / position switch
Err 05 face plate
PROCEDURE FOR REMOVING ERROR CODE FROM FACE PLATE: 1. Unplug transformer 2. Correct defect 3. PlugĆin
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 display.
A. The first 3 digits indicate water meter operation
as follows:
000 (steady) = Soft water not in use, and no
flow through the meter.
Ċ OPEN A NEARBY SOFT WATER FAUCET Ċ
000 to 199 (continual) = Repeats display for
each gallon of water passing through the meter.
If you don't get a reading in the display, with the
faucet open, 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 dash (or dashes) indicate POSIĆ
TION switch operation. If the letter appears, the
switch is closed. If the dash shows, the switch is
open.
Use the ON/OFFĆHOLD (Recharge Now) button
to manually advance the valve into each cycle
and check correct switch operation.