TM 10--3510--221--24
0030 00--1
DRYER BLOWER OVERLOAD
0030 00
THIS WORK PACKAGE COVERS:
Troubleshooting Dryer Blower 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 dryer blower (WP 0010 00). Observe dryer blower operation.
Does dryer blower come on?
YES Go to step 2.
NO Go to step 3.
2. Allow dryer blower to operate for approximately 1 minute. Observe dryer blower operation.
Does dryer blower stay on?
YES Return to normal operation.
NO Go to step 3.
3. Position SW2 then SW1 to OFF.
4. Open door on inverter enclosure.
5. Check overload relay for suspect dryer blower.
Is lever tripped?
YES Go to step 6.
NO Go to step 13.
6. Check trip setting on overload relay.
Is setting 13.3 amps?
YES Go to step 7.
NO Set trip setting to 13.3 amps. Reset trip lever. Return to step 1.
7. Reset trip lever.
8. Position SW1 then SW2 to ON.
9. Use maintenance menu to turn on dryer blower for approximately 1 minute. Observe dryer blower
operation.
Does dryer blower operate?
YES Return to normal operation.
NO Go to step 10.
