Franklin 2007 ユーザーズマニュアル

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Maintenance – All Motors
System Troubleshooting
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 46-54.
 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 44 & 45.
 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.
Motor Does Not Start
Motor Starts Too Often
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