Table 3-2. Troubleshooting (ROWPU) (continued)
TEST OR INSPECTION
Check level of water in backwash water tank.
There is a period of about 15 seconds when the flow gage will drop to "0" before returning to a normal
reading This is normal.
If water level is below backwash pump intake, immediately shut off backwash pump Patch any leaks in
backwash water tank (para.3-8) Fill tank with raw water and continue backwash operation.
Check for leaking hose.
Replace defective hose.
DISTRIBUTION NOZZLE DELIVERS LITTLE OR NO PRODUCT WATER; DISTRIBUTION PUMP LAMP IS
Check for water level below distribution pump intake in product water tank.
Patch any leaks in product water tanks.
Continue operations to produce product water.
Check for loose hose connections or leaking hose.
Tighten loose connections.
Replace leaking hose.
Check distribution nozzle for broken parts or inoperative handle.
Replace defective distribution nozzle.
PUMP LAMP ON CONTROL BOX ASSEMBLY DOES NOT LIGHT WHEN SWITCH IS SET TO START.
Step 1 applies only to normal start of the raw water pump If other pump lamps do not light when started in
proper order, go to step 2.
Ensure the EMERGENCY STOP button is pulled out.
Pull EMERGENCY STOP button out.