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WARNING: Disconnect and lockout AC primary power prior to servicing
110
4.4.1.1 Fault Alarm Listing
Fault Description Fault Trigger
Phase Loss 90% of Nominal Line Voltage; 60ms trip for under 300V, 1s trip for
over 300V
AC Low Nominal Line Voltage -10%.
AC High Nominal Line Voltage +10%.
External Interlock External Interlock connection opens.
Fail Safe Interlock Fail Safe Interlock connection opens.
Front Panel Interlock Occurs when the Front Panel Switch board is not connected to the
Controller board.
Visual Reflected Over Load Visual reflected power is greater than the comparator trip point set by
EEProm through uC
LVPS Low LVPS -10%
LVPS High LVPS +10%
VSWR Visual Foldback Occurs when the visual VSWR reaches 1.2:1
Exciter A Fault Internal to exciter
Exciter B Fault Internal to exciter
PA Cabinet Air Fault Occurs when PA Cabinet is on and the pressure is below the
threshold of the air pressure switch.
PA Cabinet Door Fault Occurs in PA Cabinets when rear door is open
PA Cabinet PS1 Fault Occurs in a PA Cabinet when the Power Supply Controller for 50V
PS 1 has detected a fault within the supply
PA Cabinet PS2 Fault Occurs in a PA Cabinet when the Power Supply Controller for 50V
PS2 has detected a fault within the supply
PA Cabinet Interlock Occurs when an individual PA Cabinet interlock is opened, usually
due to an external load temperature switch.
PA Cabinet Module (17:1) Fault Occurs when a PA Module is faulted.
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