6-34 888-2406-002
WARNING: Disconnect primary power prior to servicing.
Troubleshooting
IPA_LOAD Z-Plane currents are checked during startup
to determine if IPA load is balanced. Most
likely caused by bad rf cable.
Mute XMTR
PSC#_COMM Power supply Controller has no
communication to Master
Indication of fault
PAC#_COMM PA Controller has no communication to
Master
Request another controller to mute its PAs
EXC1_FAULT
EXC1_LOW
EXC2_FAULT
EXC2_LOW
The exciter has signaled the transmitter that
it has a problem. For more information on
exciter faults, refer to the exciter manual.
Exciter AFC fault and/or Exciter FAULT are
detected by the exciter and are recorded in
the transmitter fault log. No action will be
taken until an exciter low power condition
is detected. Controller will then delay 10
seconds before switching to another
exciter, if it is available.
EXC#_AFC Phase Locked Loop not locked
10 Sec to recover, then switch to 2
nd
Exciter (if available)
THERMISTOR Protection against a temperature-sensor
circuit open
Indication of fault
AMB_WARNING
Ambient Temperature Warning >50
o
C
Switch fan to high speed
AMB_TEMP
Ambient Temperature Critical >60
o
C Ambient Temperature >60
o
C RF mute,
>65
o
C AC off
Table 6-3 Z2 or Z2R Master Controller Related Faults
ABBREVIATION COMMENT ACTION
To Next Page
Loading...
