TM 10--3510--221--24
0039 00--1
WATER SUPPLY PUMP OVERLOAD
0039 00
THIS WORK PACKAGE COVERS:
Troubleshooting Water Supply 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 supply pump (WP 0010 00). Observe pump operation.
Does water supply pump come on?
YES Go to step 2.
NO Go to step 3.
2. Allow water supply pump to run for approximately 1 minute. Observe pump operation.
Does water supply 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 water supply pump.
Is lever tripped?
YES Go to step 5.
NO Go to step 9.
5. Check trip setting on overload relay.
Is setting 3 amps?
YES Go to step 6.
NO Set trip setting to 3 amps. Reset trip lever. Return to step 1.
6. Reset trip lever.
7. Use maintenance menu to turn on water supply pump for approximately 1 minute. Observe pump
operation.
Does water supply pump stay on?
YES Return to normal operation.
NO Go to step 8.
