NV5LT/NV3.5LT TROUBLESHOOTING MANUAL
RESPONDING TO ALARMS
VERSION 3.3 2016-03-10
PAGE 4.1.31
Figure 4.1.7: RF Module status Screen
RF Power Module Fault Validation
Each RF power module has a multi-colour LED on its front panel, which can help in identifying a fault
and allowing you to determine whether remedial action is required now or later.
Identify and isolate a defective RF power module, and verify the nature of the defect by checking the
LED on the RF power module’s front panel. Note which RF power module is not operating normally and
producing RF power (i.e., LED is not solid green). Record which RF power modules are displaying an
alarm and the state of its LED (see below).
Green (solid): Module is operational
Green/Amber (blinking): Module is operational, but has a non-critical fault.
Green/Red (blinking): Module is operational, but has a critical fault.
Amber (solid): Module is in a controlled inhibit state, but ready for operation (i.e., RF off).
Amber/Red (blinking): Module is inhibited by a latching fault.
Red (solid): Module is inhibited by a fault.
Attempt to reset an RF power module, by initiating a Reset on the front panel UI or by clicking Reset on
the remote AUI. If you cannot reset the front panel LED alarm, see
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