TM 10--3510--221--24
0085 00--1
TF PUMP DOES NOT TURN ON
0085 00
THIS WORK PACKAGE COVERS:
Troubleshooting TF 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. Observe operator panel display.
Does display indicate CONDENSER FAN OVERLOAD?
YES Go to CONDENSER FAN OVERLOAD FAULT (WP 0054 00).
NO Go to step 2.
2. Observe operator panel display.
Does display indicate 20 HP INVERTER FAULT?
YES Go to 20 HP INVERTER FAULT.
NO Go to step 3.
3. Use maintenance menu to turn on TF pump (WP 0010 00). Observe pump operation.
Does pump come on?
YES Return to normal operation.
NO Go to step 4.
4. Observe condenser fan operation.
Does condenser fan come on?
YES Go to step 24.
NO Go to step 5.
5. Position SW2 then SW1 to OFF.
6. Open door on inverter enclosure and main control enclosure
7. Check overload relay for TF pump.
Is lever tripped?
YES Go to TF PUMP OVERLOAD FAULT (WP 0078 00).
NO Go to step 8.
8. Check overload relay for condenser fan.
Is lever tripped?
YES Go to CONDENSER FAN OVERLOAD FAULT (WP 0054 00).
NO Go to step 9.