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Troubleshooting
Problem
Pump starts too frequently.
Leaks in system.
Pressure switch.
Tank waterlogged.
Leak in drop pipe.
Pressure switch too far from
tank.
Little or no water delivered.
Bleeder orifice check valve
stuck or installed backwards
(standard tank only).
Low water level.
Low voltage.
Plugged intake screen.
Check valve at pump
discharge stuck.
Worn impellers and diffusers. obstructions and pump is in solid
Air or milky water discharge from faucets.
Air volume control not
working (standard tanks
only).
Check
Check all tank connections with
soapsuds for air leaks. Check
plumbing for leaks.
Check for defective switch or switch
out of adjustment.
Pre-charged tanks; check tank pre-
charge air pressure, check for leak in
bladder.
Air over water tanks: check for air
operation.
Raise drop pipe one length at a time
until water stands in pipe.
switch to tank.
Examine valve.
Determine lowest water level in well
while pump is running and compare
to pump depth setting.
Check voltage at control box with
pump running. Check incoming
wire size and drop cable size against
Cable Sizing tables.
Pull pump and check condition of
screen.
Pull pump and examine check valve.
water and operation normal.
Check for presence of gas in well
water.
are clear.
Corrective Action
System must be air and water tight.
Re-adjust or replace pressure switch.
Pre-charge tanks: adjust air pressure
cut-in pressure (when there is no
water pressure on system). Replace
bladder if necessary.
Air over water tanks: repair or replace
tanks; replace air pressure valve if
necessary.
Replace pipe above that point.
of tank.
backwards, reverse it.
Lower pump further into well (but
well). Throttle pump discharge until
well.
NOTICE Running pump while
airlocked can cause loss of prime and
seriously damage pump.
have power company raise supply
voltage.
Clean or replace as necessary.
Free check valve.
Replace pump.
Remove bleeder orifices; plug tees.
Be sure plugged tees do not leak.
before it enters pressure tank.
Replace control if necessary.
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