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Low Pressure CP-Series Pumps—Troubleshooting Guide

Motor Overheating or Starter Tripping Out

Possible Causes

 

What To Do      

Motor overloadedCheck motor load with ammeter. Check pump specifications. Differential pressure too high. Set by-pass lower. Check for low line voltage at motor while pump is operating. Check motor wiring for proper voltage. Consult motor name plate and wiring diagram.

Starter overload heaters too small Check motor load with ammeter and confirm heater size with starter manufacturers instructions.

Motor shorted out TEFC and explosion proof motors are subject to moisture condensation inside when used intermittently. To eliminate trouble, allow motor to operate at least once a week long enough for the motor to get hot. This would not be necessary during off seasons when equipment is not normally operating.

 

 

Corken, Inc.
A Unit of IDEX Corporation
3805 N.W. 36th Street, Oklahoma City, OK 73112 U.S.A.
(405) 946-5576  
FAX   (405) 948-7343

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