TM 10-4610-240-10
TM 08580C-10/1
T.O. 40W4-13-21
Table 3-2. Troubleshooting (ROWPU) (continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12.
R.O. PUMP SHUTS DOWN AUTOMATICALLY; R.O. PUMP HIGH PRESSURE LAMP GOES ON.
(Continued)
Step 1.
Check to see if R.O. PRESSURE PSI gauge is over 11 50 P.S.I.
a. Clean R.O. elements (paragraph 2-13) 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 circuit breaker BACKWASH PUMP CB2 is set to on (up).
Reset circuit breaker BACKWASH PUMP CB2 to on (up).
Step 2.
Open back wash timer cover and press OVERCURRENT PROTECTION PUSH TO RESET switch
a. Check power cable to backwash timer for connections.
b. If backwash cycle still will not start, notify unit maintenance.
14.
MULTIMEDIA FILTER VENT LINE DOESN'T DISCHARGE WATER.
Step 1.
Check vent line for obstruction.
Notify unit maintenance.
15.
CHEMICAL FEED PUMP FAILS TO OPERATE.
Step 1.
If pump fails to prime after setting control knob to max (100). Check the plastic suction line from the
container to the pump.
Notify unit maintenance.
3-13
