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Section 5 - System Operation Manual
(E-Compact ATSC Transmitters - EC701HP thru EC708HP)
System Alarms
ALARM MESSAGE
Phase Loss!
Output Power Zero!
+15V Eqp. Fail!
+8V Eqp. Fail!
+50V Eqp. Fail!
Drawers Alarms!
All PA Fail!
Driver PA Fail!
Remote Ctrl Fail!
Manual Rev. 0.0 - August 2016
ALARM DESCRIPTION
Main Breaker is disconnected.
Indication that the transmitter is
programmed, but there is no
output power
Failure on the +15V equipment
power supply.
Failure on the +8V equipment
power supply.
Failure on the +50V equipment
power supply.
Failure on the RF Power Drawer
Indication that the all PA´s of the
power drawer are damaged. This
alarm there is only in the
EC701HP.
Indication that the driver of the
power drawer are damaged. This
alarm there is only in the
EC701HP.
Communication failure between
exciter and Remote Control
drawer.
ACTION THAT FOLLOWS
Check Main Breaker OFF.
Get in contact with Hitachi Kokusai
Linear's technical support service.
Check the Power Meter Dir. Coupler
Check the power reading at the PC
controls.
Check AC unit.
Check AC unit.
Check AC unit.
Via LCD check which RF Power Drawer
listed is as the failure one.
Access: Main Menu - System Alarms/Log
– Drawers Alarms.
Get in contact with Hitachi Kokusai
Linear's technical support service.
Get in contact with Hitachi Kokusai
Linear's technical support service.
Check the physical connection
between exciter and Remote Control.
These connections are located on the
exciter rear panel (green connector), on
the other end, at the rear panel of the
Remote Control (DB-9 connector).
5-46
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