TM 10-4610-232-12
Table 3-1. Operator Troubleshooting Guide (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4. Check main control panel set-up.
SYSTEM MODE switch ON.
FILTER CLEAN light on.
Press SYSTEM RESET pushbutton.
Air system regulating gage should read 85 to 95 psig (586 to 655 kPa).
Press INTIATE pushbutton.
Press BOOSTER PUMP START pushbutton.
Step 5. Notify unit maintenance.
3. Booster pump won’t start with OPERATION MODE switch in the FILTER BACKWASH position and the FILTER
BACKWASH light on.
Step 1. Check BOOSTER PUMP circuit breaker.
Switch on.
Step 2. Check BOOSTER PUMP RESET.
Push in.
Step 3. Check clean/flush tank.
Fill tank.
Step 4. Notify unit maintenance.
4. Booster pump motor hums but won’t turn.
Step 1. Notify unit maintenance.
5. Booster pump and/or motor is noisy.
Step 1. Notify unit maintenance.
6. BOOSTER PUMP circuit breaker opens whenever pump is started.
WARNING
Turn off booster circuit breaker before proceeding. Failure to do so could result in
electrocution.
Step 1. Check booster pump electrical connectors.
Clean and dry pump electrical connectors.
Step 2. Notify unit maintenance.
7. BOOSTER PUMP circuit breaker trips open repeatedly.
Step 1. Notify unit maintenance.
8. Booster pump assembly leaks.
Step 1. Notify unit maintenance.
9. Booster pump is started, but 50 psig (345 kPa) cannot be obtained on the cartridge filter pressure gage (red needle).
Step 1. Check position of auto valves and manual valves.
Place valves in proper position.
Refer to auto valve troubleshooting if a valve is not in the correct position after setting up the control
panel properly.
Step 2. Check booster pump.
Use hand to feel that air is moving out of the pump enclosure. If pump is not running, refer to
malfunctions 1 thru 4 above.
Step 3. Check media filter differential.
Backwash media filter if differential is 20 psid (138 kPa) or greater.
Step 4. Check cartridge filter differential.
Change cartridge filters if differential is 15 psid (103 kPa) or greater.
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