Unique Broadband Systems Ltd. DRU1KW User Manual

 

5.4.10 High Power Amplifier Power Supply Unit (HPA PSU) 
 

The HPA PSU rectifier front panel includes three (3) status LEDs to indicate rectifier 
operation and alarm conditions. 

 
Figure 5-5 HPA PSU Rectifier 

 

 

1)  HPA PSU Rectifier Status LED Indicators 

 

 

Green 

Rectifier is powered on and is operating under normal 

conditions.  Note: Comm Fault is possible. 

Green Blink 

Rectifier output is inhibited, preparing to deliver power, 

ramping up or in standby. 

Amber 

Rectifier output is limited to less than fully rated output 

power. 

Norm 

OFF 

Rectifier is powered off. 
ACF or Fail alarm is active. 

Amber 

AC input is out of range and the rectifier output is 
powered off. 

ACF 

OFF 

Normal, no fault operation (when Norm LED is Green). 

Red Rectifier 

failure or shutdown. 

Red Blink 

Communication failure with controller. 

Red Wink 

Fan failure. 

Fail 

OFF 

Normal, no fault operation (when Norm LED is Green). 

  Blink Timing shall be approximately 0.5 seconds ON and 0.5 seconds OFF. 
  Wink Timing shall be approximately 0.2 seconds ON and 2 seconds OFF. 

 
 

 
 

 
 

 
 

 

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