TM 10--3510--221--24
0080 00--1
TF TEMPERATURE HI LIMIT
0080 00
THIS WORK PACKAGE COVERS:
Troubleshooting TF Temperature Hi Limit
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
enclosure (WP 0010 00).
1. Observe operator panel display.
Does ”TE300 FAILURE” appear?
YES Go to step 2.
NO Go to step 4.
2. Open door on heater control enclosure.
3. Press RESET key on temperature switch (TS300). Go to TYPICAL TE FAILURE (WP 0035 00).
4. Observe operator panel display.
Does ”TF TEMPERATURE HI” appear?
YES Go to step 5.
NO Go to step 7.
5. Open door on heater control enclosure.
6. Press RESET key on temperature switch (TS300). Go to TF TEMPERATURE HI (WP 0079 00).
7. Open door on heater control enclosure.
8. Observe temperature switch (TS300) upper display.
Does display read SnSr?
YES Go to step 9.
NO Go to step 11.
9. Position SW2 then SW1 to OFF.
10. Check wire connections TS300 terminals (2) and (3).
Are connections OK?
YES Replace thermocouple (WP 0175 00).
NO Repair as necessary.
11. Observe TS300 upper display.
Does display indicate any other alpha--character message?
YES Replace temperature switch (TS300).
NO Go to step 12.
