Power Amplifier Signaling Led's - Hitachi EC702MP-BB3 Operation Manual

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4.6.5. Power Amplifier Signaling LED's

Each Power Amplifier Drawer Features an LED bank that indicates its operation status according to the
colors as shown below:
Green
Normal operation
Orange
Orange light indicates that a failure has occurred
Red
Flashing Red light indicates an ongoing failure
PWR
SHDN
FWD
RFD
PA
DRV
PSU
FAN/
TEMP
LED
ALARM
PWR
N/A - This LED lights only GREEN indicating that is POWERED ON
SHDN
Power Supply Shutdown
FWD
Over Forward Power (Overdrive)
RFD
Reflected Power
PA Failure, High Current on PA, Low Current on PA, Current UNBAL on PA, Low
PA
Gain on PA, High Temperature on PA, Communication Failure on PA
High Current on Driver, Low Current on Driver, Low Current on Pre Driver, High
Current on Pre Driver, Low Gain on Driver, High Temperature on Driver, Low
DRV
Voltage on Driver, Communication Failure on Driver, High Input Signal, High
Driver Output Level
Low AC Line Voltage, High AC Line Voltage, Low PSU Voltage, High PSU Voltage,
PSU
High PSU Current, High PFC Temperature, High DC/DC Temperature, PSU
Communication Failure
When detecting a slow speed of rotation or complete failure in any of the fans.
FAN/TEMP
High temperature input air of the power drawer (greater than 35ºC).
Alarm details are displayed by accessing the keyboard-display interface of the Control Module CM9001
in the menus:
> Main Menu > System Alarms/Log > Drawers Alarms
E-Compact MP-BB3 Series
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