North Star NSC15ED Installation, Operation, Maintenance & Repair Parts page 20

ELECTRONIC DEMAND TIMER FEATURES, AND SERVICE, continued
service: MANUAL INITIATED ELECTRONICS DIAGNOSTIC . . . . . . . . . . . . . . . . . . . . . . . .
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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.
MOTOR
If you don't get a reading in the display, with 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(es) indicate POSITION
switch operation. The letter appearing means the
switch is closed; the dash means the switch is open.
20
POSITION
SWITCH
SENSOR
HOUSING
TURBINE
TURBINE
SUPPORT &
SHAFT
VALVE
OUTLET
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.
Use the RECHARGE button to manually advance
the valve into each cycle and check correct switch
operation.
CORRECT
SWITCH
DISPLAYS
Valve in service, fill, brining,
-- --
backwash or fast rinse position.
Valve rotating from one position
--
P
to another.
C. While in this diagnostic screen, the following in-
formation is available and may be beneficial for vari-
ous reasons. This information is retained by the
computer from the first time electrical power is ap-
plied to the face plate.
Press the UP button to
display the number of days
this face plate has had
electrical power applied.
Press the DOWN button
to display the number of re-
generations initiated by this
face plate since the model
code number was entered.
2. Press the SELECT but-
ton and hold in 3 seconds
until a model code appears
in the display.
For correct softener operation, the model code
must be Sr14.
To reset the code, press the UP or DOWN button
until the correct number shows.
3. Press SELECT to return the present time display.
If the code was changed, make ALL the timer set-
tings, pages 10 and 11.
VALVE CYCLE STATUS