Troubleshooting - Pentair STA-RITE DS2 Serie Manual De Instalación Y Operación

TROUBLESHOOTING CHART
Symptom
Motor will not run
Motor runs hot and overload kicks off
Motor runs but no water is delivered
Pump does not deliver water to full capacity
12
Possible Cause(S)
Disconnect switch is off
Fuse is blown
Starting switch is defective
Wires at motor are loose, disconnected, or wired
incorrectly
Motor is wired incorrectly
Voltage is too low
Pump in new installation did not pick up prime
through:
1. Check prime before looking for other causes.
2. Improper priming
3. Air leaks
4. Leaking foot valve
Pump has lost prime through:
1. Check prime before looking for other causes.
2. Air leaks
3. Water level below suction of pump
Impeller is plugged
Check valve or foot valve is stuck in closed
position
Pipes are frozen
Foot valve and/or strainer are buried in sand or
mud
Leaking foot valve is causing lose of priming
Water level in well is greater than 25 feet below
suction of pump
Steel piping (if used) is corroded or limed, causing
excess friction
Offset piping is too small in size
Corrective Action
Be sure switch is on
Replace fuse
Replace starting switch
Refer to instructions on wiring. Check and
tighten all wiring.
WARNING Capacitor voltage may be
hazardous. To discharge capacitor, hold
insulated handle screwdriver BY THE HANDLE
and short capacitor terminals together. Do not
touch metal screwdriver blade or capacitor
terminals. If in doubt, consult a qualified
electrician.
Refer to wiring instructions
Check with power company. Install heavier
wiring if wire size is too small (See Electrical
section of this manual)
In new installation:
1. Unscrew priming plug and make sure there
is water in pump case
2. Re-prime according to instructions
3. Check all connections on suction line
4. Replace foot valve
In installation already in use:
1. Unscrew priming plug and make sure there
is water in pump case
2. Check all connections on suction line and
shaft seal
3. Lower suction line into water and re-prime.
If receding water level in well exceeds
suction lift, a deep well pump is needed
Clean impeller as per Cleaning/replacing
Impeller procedures.
Replace check valve or foot valve
Thaw pipes. Bury pipes below frost line. Heat
pit or pump house
Raise foot valve and/or strainer above well
bottom
Replace foot valve
A deep well jet pump may be needed
Replace with plastic pipe where possible,
otherwise with new steel pipe
Use larger offset piping
S30 (11-21-19)