Xylem GSSERVICE R2 Service Manual Submersible Pumps & Jet Pumps - Manual (Page 69)

Pump Runs But . . .
67
Pump starts and stops too often . . .
Problem
Recommended Action
1. Leaks in piping system. Pressurize piping system
and inspect. Repair or
replace.
2. Faulty pressure switch. Check contact points.
Adjust or replace switch.
3. Waterlogged galvanized tank, Pumps using Brady control:
faulty air control. Test by holding your ear on
air control. If control is
operating, air can be heard
passing from control into
tank when pump stops. If
no air movement is heard,
air control should be
replaced.
4. Leaking tank or air valve. Use soapy water to find
leaks. Repair or replace.
5. Not enough suction lift on Throttle suction line with
shallow well system – water partially closed valve.
flows into pump (flooded
suction).
6. Insufficient vacuum or vacuum
Pump requires minimum 3"
does not exist for long enough vacuum for 15 seconds.
time to operate air control.
7. Improper air change in See tank checkout.
captive air tank.
8. Tank too small for pump.
Replace with proper size
for pump. storage tank.
TROUBLESHOO
TING