TM 10--3510--221--24
0048 00--1
WATER PUMP DOES NOT TURN ON
0048 00
THIS WORK PACKAGE COVERS:
Troubleshooting Water Pump Does Not Turn On 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 Return to normal operation.
NO Go to step 2.
2. Position SW2 then SW1 to OFF.
3. Open door on main control enclosure
4. Check overload relay for suspect water pump.
Is lever tripped?
YES Go to WATER PUMP OVERLOAD FAULT (WP 0038 00).
NO Go to step 5.
5. Check circuit breaker CB5.
Is CB5 tripped?
YES Reset CB5. Go to step 6.
NO Go to step 9.
6. Position SW1 then SW2 to ON.
7. Use maintenance menu to turn on water pump. Observe pump operation.
Does water pump come on?
YES Return to normal operation.
NO Go to step 8.
8. Check circuit breaker CB5.
Is CB5 tripped?
YES Check for shorted wire or connection between CB5, water pump contactor, and water pump.
NO Go to step 9.
