30
ECOWATER
S Y S T E M S
Service Information
TROUBLESHOOTING -
MANUAL ADVANCE RECHARGE CHECK
U
se the following procedures to advance the filter
through the recharge cycles to check operation. Always
make the Initial Checks (See Page 28) and the Manual
Diagnostics (See Page 29) first.
Remove the top cover by unlocking the tabs and lifting,
to observe cam and switch operation during valve rota-
tion (See Figure 98).
1. Display the Diagnostics screen, following the proce-
dure on Page 25.
2. Press the DOWN (6) button to scroll through the list
until Valve position switch is displayed (See Figure
96).
Diagnostics
Current position:
Service
Requested position:
Service
FIG. 97
5. With the Diagnostics screen displayed, press the
RIGHT (4) button once to advance the valve from
Service to Backwash.
6. Verify that the valve position indicator on the motor
cam agrees with the position displayed on the screen
7. Look for a fast flow of water from the drain hose. If
flow is slow, check for a plugged top distributor, back-
wash flow plug or drain hose
8. With the Diagnostics screen displayed, once again
press the RIGHT (4) button to advance the valve to
Fast rinse (Aspirate).
9. With the Diagnostics screen displayed, once again
press the RIGHT (4) button to return the valve to the
Service position.
IMPORTANT: Always return the valve to the Service
position before exiting this procedure.
Diagnostics
Valve position switch:
Closed
Turbine count:
0
FIG. 96
3. Verify that when the switch plunger is down (into one
of the detents on the valve motor cam), this screen
reads Open. When the valve cam is rotating (for
example, after Step 5, below) , the switch plunger will
be up and this screen should read Closed.
4. Press the UP (5) button to scroll through the list until
Current position is displayed (See Figure 97).
FIG. 98
Position markers
(valve in service)
CAM
MOTOR
OTHER SERVICE
U
nfiltered Water Bypass (Unfiltered water “bleeds”
into filtered water supply):
1. Faulty inlet disc, seal or wave washer (See Pages
3
4 & 35).
2. Missing or faulty o-ring(s) at valve connection to
riser pipe.
Water Leaks from Drain Hose during service:
1. Faulty rotor disc, seal or wave washer.
2. Faulty o-ring on inlet disc shaft.