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SECTION 5 SERVICE TECH INFORMATION
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5A. TROUBLESHOOTING
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 _l- t- I
a malfunction 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. SELECT remains operational so the service
person can make the MANUAL INITIATED ELEC-
TRONIC DIAGNOSTICS (below) to further isolate
the defect, and check the water meter.
CODE
Err1 Err2
Err3 Err4
Err5
POSSIBLE DEFECT
MOST LIKELY ,_ _ LESS LIKELY
motor inoperative / wiring harness or connection to switch / position switch / valve defect
causing high torque
face plate
PROCEDURE FOR REMOVING ERROR CODE FROM FACE PLATE: 1.1Unplug transformer' Z Correct defect
3. Plug in transformer 4 Wait for 6 minutes. The error code will return if the defect was not corrected
MANUAL INITIATED ELECTRONICS
DIAGNOSTICS
1. To enter diagnostics, press the SELECT button
and hold for 3 seconds.
You wilt see the following display, showing valve
cycle position, position switch status (open or
closed), and turbine operation.
vane position indicator turbine count (wa-
ter flowing)
position switch
indicator (open)
turbine count (no
water flowing)
TURBINE OPERATION: If no water is flowing
tt'Lrough the softener, the turbine indicator displays
3 zeros° When water is flowing, the flow bar scrolls
across the display, and a 000 to 199 count repeats
for each gallon of water passing through the
turbine. _Ib check for positive operation of the
turbine if zeros are shown, open a nearby soft
water faucet and observe the t_arbine count and
flow bar_
If you don't get a reading in the display, with facue_
open, pull the sensor from the valve outlet port°
Pass a small magnet back and forth in front of the
sensoL 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.
POSITION SWITCH STATUS: With the valve in
service, or any of the recharge cycles, the switch
indicator will show open -,',-. While the valve is
rotating from 1 position to anothei, the indicator
will show the switch closed --",-. A defect is
probable if indications vary from this pattern,
21
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