TM 10--3510--221--24
0038 00--1
WATER PUMP OVERLOAD
0038 00
THIS WORK PACKAGE COVERS:
Troubleshooting Water Pump Overload Fault
INITIAL SETUP:
Maintenance Level
Materials/Parts
Unit
Tools and Special Tools
Equipment Conditions
Tool Kit, General Mechanics (Item 1, WP 0272 00)
Power must be applied at main control
Multimeter (Item 2, WP 0272 00)
enclosure (WP 0010 00).
1. Use maintenance menu to turn on water pump (WP 0010 00). Observe pump operation.
Does water pump come on?
YES Go to step 2.
NO Go to step 3.
2. Use maintenance menu to circulate water through any tank for approximately 1 minute. Observe pump
operation.
Does water pump stay on?
YES Return to normal operation.
NO Go to step 3.
3. Open door on main control enclosure
4. Check overload relay for suspect water pump.
Is lever tripped?
YES Go to step 5.
NO Go to step 9.
5. Check trip setting on overload relay.
Is setting 6.2 amps?
YES Go to step 6.
NO Set trip setting to 6.2 amps. Reset trip lever. Return to step 1.
6. Reset trip lever.
7. Use maintenance menu to circulate water through any tank for approximately 1 minute. Observe pump
operation.
Does water pump stay on?
YES Return to normal operation.
NO Go to step 8.