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SECTION
5
SERVICER'S
TECH.
INFORMATION
I
5C.
I
DIAGNOSTICS
AUTOMATIC
ELECTRONIC
DIAGNOSTIC
The face plate has a self-diagnostic function
for the
electrical system (except input power). The face plate
monitors
the electronic
components
and circuitsfor
correct operation.
If a malfunc-
tion occurs,
an error code ap-
pears 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 SET/CLEAR
button.
SET/CLEAR
remains
operational
so the
service
person can make the MANUAL
ADVANCE
DIAGNOSTICS
to further isolate the defect.
POSSIBLE
DEFECT
CODE
MOST LIKELY
,,
'- LESS LIKELY
E - 1
motor inop. / wiring harness or connection
to switch / switch / face plate
E - 2, E - 3
face plate
E - 4
face plate / position switch
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 ifthe defect was not corrected.
MANUAL ADVANCE
DIAGNOSTIC
Use the following procedures
to advance filter valve
through recharge cycles to check operation.
Remove top cover to observe valve rotation.
DISPLAY MUST SHOW TIME AND DAY
1.
Press and _
[]
for 3 seconds
until 18:88 displays.
2. Press [] to display position (P)
switch open or closed indicator.
If valve is in service, fill, solution draw,
backwash or fast rinse (see markings on
cam under motor), display will show...
(--), meaning the position switch is open.
[--
]
While the valve is rotating from
one cycle to another, the display
shows (-P), meaning
the posi-
tion switch is closed.
NOTE:
M
a.
If it does not move into fill, valve motor is inopera-
tive.
Check all wiring and connections.
While in manual advance,
the time display automati-
cally returns to the present time of day if a button is not
pressed within 4 minutes.
3.
To advance valve, press_]each
time you want to
move into next cycle.
(Pressingr_
while valve is
rotating has no affect.)
b=
C=
d=
-- Press and holdr_ for 3 seconds to
_
4.
move filter into fill.
Verify fill water
enters solution bottle.
[
- "
I
5.
21
If water does not enter bottle, see "Quick-Check
Troubleshooting," page 22.
-- After 5 minutes of fill press r_to
move filter intosolution draw. (NOTE:
Advance through backwash and fast
rinse first if double backwash
is pro-
grammed.)
A slow flow of water to
drain begins.
Verify solution draw
from the bottle.
If solution isnot drawn from bottle..,
see "Quick-
Check Troubleshooting,"
page 22.
-- Again press [] to move filter into
I
" P ]
backwash.
Look for a fast flow of
I
- - 1
water from drain hose.
I
J
A slow flow indicates
an obstructed
top distribu-
tor, backwash flow plug, drain hose, or iron fouled
mineral bed.
--
Press []
to move filter into fast
rinse.
Again look for fast drain flow.
Allow to dnse until drain water is clear, [_
with no purple
color
(from solution
draw test).
--To
return filter to service, press[5].
Press []
to display 18:88.
Press []
to return present time and
day.
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