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The computer monitors the electronic components and circuits for correct operation. If 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. The SELECT button remains operational so the service person can make the MANUAL INITIATE 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 0З 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. Plug-in transformer 4. Wait for 6 minutes. The error code will return i MANUAL INITIATED ELECTRONICS DIAGNOSTICS 1. To enter diagnostics, press and hold the SELECT button until 000 - - shows in the display. TURBINE SWITCHES ППП__ UUU ^ ^""or T I -1 WATER METER (A) SWITCH (B) A. The first 3 digits indicate water meter operation as follows: 000 (steady) = Soft water not in use, and no flow through the meter. — OPEN A NEARBY SOFT WATER FAUCET — 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. the defect was not corrected. B. The letter (P) and dash (or dashes) indicate POSITION switch operation. If the letter appears, the switch is closed. If the dash shows, the switch is open. Use the ON/OFF-HOLD (Recharge Now) button to manually advance the valve into each cycle and check correct switch operation. 20 SECTION 5 SERVICE TECH. INFORMATION 5A. TROUBLESHOOTING CORRECT SWITCH DISPLAYS VALVE CYCLE STATUS -- Valve in service, fill, brining, backwash or fast rinse position - P Valve rotating from one position to another 2. C. While in this diagnostic screen, the following information is available and may be beneficial for various reasons. This information is retained by the computer from the first time electrical power is applied to the face plate. — Press 0 to display the number of days this face plate has had electrical power applied. — Press 0 to display the number of regenerations initiated by this face plate since the SR code number was entered. Press the SELECT button and hold 3 seconds until... SR21 shows. CODE '•r< à • ■ mwfr < Urn. This code identifies the softener nominal capacity size. If the wrong number shows, the softener will operate on incorrect programming. Do the following as needed. Return the present time display: Press the SELECT button. Change the SR number: Press the 0 UP or DOWN Qbutton to display correct number. Press SELECT, and reset the timer. NOTE: If the face plate is left in a diagnostic display (or a flashing display when setting times or hardness), present time automatically returns if a button is not pressed within 4 minutes. FACE PLATE REPLACEMENT : Be sure the valve is in service position (observe valve cycle indicator) when replacing the face plate. If, after installing and programming the replacement face plate, the valve is not in service position, do the following to assure correct cycle orientation, or timing, between the face plate and valve. Use the MANUAL ADVANCE procedures, page 22. With the RECHARGE NOW button, advance through the recharge cycles until the valve stops in service position, and RECHARGE no longer flashes in the timer. NOTE: The valve motor may automatically drive through several valve positions while searching for service. If an error code occurs, unplug the transformer, then plug in again ino Nl motOr-^ ^ position ^markers CAM 21 SECTION 5 SERVICE TECH. INFORMATION ] 5A. TROUBLESHOOTING MANUAL ADVANCE REGENERATION CHECK This check verifies proper operation of the valve motor, brine tank fill, brine draw, regeneration flow rates, and other controller functions. Always make the initial checks, and the manual initiated diagnostics. NOTE: The face plate display must show a steady time (not flashing). 1. Press the ON/OFF-HOLD button and hold in for 3 seconds. RECHARGE NOW begins to flash as the softener enters the fill cycle of regeneration. Remove the brinewell cover and, using a flashlight, observe fill water entering the tank. A. If it does not enter the tank, look for an obstructed nozzle, venturi, fill flow plug, brine tubing, or brine valve riser pipe. CYCLE FLOW RATES (GALLONS PER MIN.) FILL (flow to salt storage tank) 0.1 (1.1 liters) BRINING .16 (.6 liters) BRIN...

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