SECTION 4 OPERATION
77
4.4 SYSTEM
TURN-OFF
This paragraph describes the procedure used to turn off the ASX-Series Power Source.
The ASX-Series Power Source is turned off by:
1.
Setting the OUTPUT POWER Switch to the OFF position.
2.
Opening the INPUT POWER circuit breaker.
4.5 SYSTEM
SHUTDOWN
This paragraph describes the conditions which will cause system shutdown and the procedure
used to reset the ASX-Series Power Source.
4.5.1 SHUTDOWN CONDITIONS
The Output Contactor of the ASX-Series Power Source will be opened automatically when:
1.
Either the Input Power Transformer or one of the power amplifier PCB's has reached an
Over-temperature condition. (Over-temperature is usually caused by either blocking the
air inlets--includes dirty fan filters--or overloading the power source.)
2.
The state of the Output Coupling has changed while the Output Contactor is engaged.
3.
The state of the Output Form has changed while the Output Contactor is engaged.
When the Output Contactor has been opened due to one of the above faults, the SHUTDOWN
LED on the front panel of the power source will be lighted. The output contactor will remain open
while the SHUTDOWN LED is lighted. This LED will remain lighted until reset.
If the Output Power Switch is in the ON/AUTO position when the unit is turned on, the
SHUTDOWN LED will light. This is normal operation. The LED is turned off simply by placing the
Output Power Switch into the OFF position.
