Crane Plumbing 8XSE-HA Trouble Shooting, Match Cause Number with Correlating Correction Number

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TROUBLE SHOOTING

CAUTION ! Always disconnect the pump from the electrical power source before handling.

If the system fails to operate properly, carefully read instructions and perform maintenance recommendations. If operating problems persist, the following chart may be of assistance in identifying and correcting them:

MATCH “CAUSE” NUMBER WITH CORRELATING “CORRECTION” NUMBER.

NOTE: Not all problems and corrections will apply to each pump model.

PROBLEM

 

CAUSE

CORRECTION

 

 

 

 

Pump will not run

1.

Poor electrical connection, blown fuse,

1. Check all electrical connections for

 

tripped breaker or other interruption of power,

security. Have electrician measure current

 

improper power supply.

in motor leads, if current is within ±20%

 

2.

Motor or switch inoperative (to isolate

of locked rotor Amps, impeller is probably

 

cause, go to manual operation of pump).

locked. If current is 0, overload may be

 

2a. Float movement restricted.

tripped. Remove power, allow pump to cool,

 

2b. Switch will not activate pump or is defective.

then recheck current.

 

2c. Defective motor

2a. Reposition pump or clean basin as

 

3.

Insufficient liquid level.

required to provide adequate clearance for

 

 

 

float.

Pump will not turn off

2a. Float movement restricted.

2b. Disconnect level control. Set ohmmeter

 

2b. Switch will not activate pump or is defective.

 

for a low range, such as 100 ohms full scale

 

4.

Excessive inflow or pump not properly sized

 

and connect to level control leads. Actuate

 

for application.

 

level control manually and check to see that

 

9.

Pump may be airlocked

 

ohmmeter shows zero ohms for closed switch

 

14. H-O-A switch on panel is in “HAND” position

 

and full scale for open switch. (Float Switch).

Pump hums but does not run

1.

Incorrect voltage

2c. Check winding insulation (Megger Test)

 

8.

Impeller jammed or loose on shaft, worn or

and winding resistance. If check is outside

 

damaged, impeller cavity or inlet plugged.

of range, dry and recheck. If still defective,

Pump delivers insufficient capacity

1.

Incorrect voltage.

replace per service instructions.

3. Make sure liquid level is at least equal to

 

4.

Excessive inflow or pump not properly sized

 

suggested turn-on point.

 

for application.

 

4. Recheck all sizing calculations to

 

5.

Discharge restricted.

 

determine proper pump size.

 

6.

Check valve stuck closed or installed backwards.

 

5. Check discharge line for restrictions,

 

7.

Shut-off valve closed.

 

including ice if line passes through or into

 

8.

Impeller jammed or loose on shaft, worn or

 

cold areas.

 

damaged, impeller cavity or inlet plugged.

 

6. Remove and examine check valve for

 

9.

Pump may be airlocked.

 

proper installation and freedom of operation.

 

10. Pump running backwards

 

7. Open valve.

Pump cycles too frequently or runs

6.

Check valve stuck closed or installed

8. Check impeller for freedom of operation,

periodically when fixtures are not in use

backwards.

security and condition. Clean impeller and

 

11. Fixtures are leaking.

inlet of any obstruction.

 

15. Ground water entering basin.

9. Loosen union slightly to allow trapped air

Pump shuts off and turns on indepen-

1.

Incorrect voltage.

to escape.Verify that turn-off level of switch

dent of switch, (trips thermal overload

4.

Excessive inflow or pump not properly sized

is set so that the suction is always flooded.

protector). CAUTION! Pump may start

for application.

Clean vent hole.

unexpectedly. Disconnect power supply.

8.

Impeller jammed, loose on shaft, worn or

10. Check rotation. If power supply is three

 

damaged, impeller cavity or inlet plugged.

phase, reverse any two of three power supply

 

12. Excessive water temperature.

leads to ensure proper impeller rotation..

 

(internal protection only)

11. Repair fixtures as required to eliminate

 

 

 

leakage.

Pump operates noisily or vibrates

2c. Worn bearings, motor shaft bent.

12. Check pump temperature limits & fluid

excessively

5.

Debris in impeller cavity or broken impeller

temperature.

 

10. Pump running backwards

 

13. Replace portion of discharge pipe with

 

13. Piping attachments to buiding structure too

 

flexible connector.

 

rigid or too loose.

14. Turn to automatic position.

 

 

 

 

 

 

15. Check for leaks around basin inlet and

 

 

 

outlets.

12

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Contents Barnes Table of Contents Safety First Liquid Temperature Motor HousingSingle Phase Three PhaseService Centers To the PurchaserReceiving StoragePower Cable to Lift Pump Three PHASE, 200-230 Volt ACControl Cable to Lift Pump Three PHASE, 460 Volt AC Moisture and Temperature SensorsOCCURRED, Schedule Maintenance AS Soon AS Possible Cycle or RUN if AN Overload Condition OccursSection D START-UP Operation Typical Thermal Protection Wiring Diagram Section E Preventative Maintenance Section F Service and RepairMotor & Inner Shaft Seal Service Section G Replacement Parts Ordering Replacement PartsPart Number Model NumberTrouble Shooting Match Cause Number with Correlating Correction NumberPage Page Parts List QTY DescriptionPump Model Motor with Various Cord Lengths 25FT 30FT 40FT 50FT 75FT 100FTWarranty Registration Barnes Page Page Reports That are not Returned can Delay or Void Warranty START-UP Report For Submersible PumpsElectrical Readings Final CheckManuals Warranty Registration 45356 U.S.A

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