TM 5-3895-374-24-1
Maintenance
Self-diagnostic
The speed controller has incorporated a self-diagnostic system It enables the main
functions to be checked
Procedure
- Switch off power and control circuits
Wait for about 5 minutes for the capacitors to discharge
-Disconnect the motor
Select the test sequence selector switch AUTOTEST to ON
Switch the control supply back on
- Switch off the control supply to reset the test sequence to zero
- After rectifying the fault, run a second test to check the controller condition
- It is essential to put the AUTOTEST switch back to the OFF position before switching the
power supply back on
(page 3-204)
