TM 10-4610-239-10
TM 08580B-10/1
Table 3-2. Troubleshooting (ROWPU) (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 1.
Check to see if R.O PRESSURE PSI gage is over 1150 psi.
a.
Clean R.O elements (para.2-29) then attempt to restart R.O pump.
b.
If R.O PUMP RESET switch does not turn off R.O PUMP HIGH PRESSURE lamp, there may
be a defective switch Notify unit maintenance.
13.
BACKWASH PUMP DOES NOT START WHEN START BACKWASH SWITCH IS SET TO START.
Step 1.
Check that INTERNAL INDICATOR knob is in SERVICE position (view 1, fig 2-74).
Press RESET button to ensure knob is in SERVICE position.
NOTE
If backwash pump still does not start, filter can be manually backwashed.
Step 2.
Manually backwash multimedia filter as follows: -
a.
Turn INTERNAL INDICATOR knob counterclockwise to BACKWASH position. Backwash
should start.
NOTE
Allow filter to backwash for 1 0 minutes.
b.
After 10 minutes of backwashing, turn knob counterclockwise to C/R (conditioned rinse)
position.
NOTE
Allow filter to rinse for 2 minutes.
c.
After 2 minutes of conditioned rinse, turn knob counterclockwise to SERVICE position
Backwash is now complete.
d.
Report defective timer to unit maintenance.
14.
MULTIMEDIA FILTER VENT LINE DOESN’T DISCHARGE WATER.
Step 1.
Check vent line for obstruction.
Remove obstructions from vent line.
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