Hitachi E-Compact Medium Power Series, Operation Manual, Page: 55 / 106

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E-Compact Medium Power
6.2.4. Signaling LEDs
Each Power Amplifier Drawer Features a LED bank that indicates the situation of its operation according
to the color As shown below::
Green Normal operation.
Orange Orange light indicates That a failure has occurred .
Red Flashing Red light indicates an ongoing failure.
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
PA Failure, High Current on PA, Low Current on PA, Current UNBAL on PA, Low
Gain on PA, High Temperature on PA, Communication Failure on PA.
DRV
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
Voltage on Driver, Communication Failure on Driver, High Input Signal, High
Driver Output Level.
PSU
Low AC Line Voltage, High AC Line Voltage, Low PSU Voltage, High PSU Voltage,
High PSU Current, High PFC Temperature, High DC/DC Temperature, PSU
Communication Failure.
FAN/TEMP When detected slow speed of rotation or complete failure in any of the fans.
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 CM8001
in the menus:
⇨
Main Menu
⇨
System Alarms/Log [3000]
⇨
Drawers Alarms
⇨
Current Drawers Alarms [3310]
⇨
Main Menu
⇨
System Alarms/Log [3000]
⇨
Drawers Alarms
⇨
Past Drawers Alarms [3320]
PWR
SHDN
FWD
RFD
PA
DRV
PSU
FAN/
TEMP