POSSIBLE CAUSE | CHECKING PROCEDURES | CORRECTIVE ACTION |
A. No power or incorrect voltage | Check voltage at line terminals. The voltage must be±10% of rated voltage. | Contact power company if voltage is incorrect. |
B. Fuses blown or circuit breakers tripped | Check fuses for recommended size and check for loose, dirty or corroded connections in fuse receptacle. Check for tripped circuit breakers. | Replace with proper fuse or reset circuit breakers. |
C. Defective pressure switch | Check voltage at contact points. Improper contact of switch points can cause voltage less than line voltage. | Replace pressure switch or clean points. |
D. Control box malfunction | For detailed procedure, see pages 48-57. | Repair or replace. |
E. Defective wiring | Check for loose or corroded connections or defective wiring. | Correct faulty wiring or connections. |
F. Bound pump | Check for misalignment between pump and motor or a sand bound pump. Amp readings will be 3 to 6 times higher than normal until the overload trips. | Pull pump and correct problem. Run new installation until the water clears. |
G. Defective cable or motor | For detailed procedure, see pages 46 & 47. | Repair or replace. |
A. Pressure switch | Check setting on pressure switch and examine for defects. | Reset limit or replace switch. |
B. Check valve - stuck open | Damaged or defective check valve will not hold pressure. | Replace if defective. |
C. Waterlogged tank | Check air charge. | Clean or replace. |
D. Leak in system | Check system for leaks. | Replace damaged pipes or repair leaks. |