6-8 888-2406-002
WARNING: Disconnect primary power prior to servicing.
Troubleshooting
• COMM - Communications
• XOVER - Crossover Protection: One PA Controller crosses over to protect the
PAs controlled by another PA Controller, should it become inoperative (only used
with optional Z2 Redundancy Package).
• PSC - Power Supply Controller
• DSCHG - Discharge
• Start - Soft Start
• HS - Heat Sink
• PHS_LS - Phase Loss
• OV - Over Voltage
• UV - Under Voltage
• TAP# - Power Supply SCR TAP # (TAP1, TAP2, TAP3, or TAP4)
6.6.4 Fault Listing
Tables 6-1, 6-2, and 6-3 provide a quick reference, containing a complete listing of
all of the faults which can show up on the Diagnostics Display Menu, including
their effect on transmitter operation and a brief comment explaining the fault.
• Table 6-1 includes faults that are associated with the Master Controller Board
(which includes the IPA).
• Table 6-2 includes faults that are associated with the PA Controller Board, PAs
and ISO Loads.
• Table 6-3 includes faults that are associated with the PS Controller Board and the
power supply itself.
These tables are meant as a summary and quick reference point. The rest of this
section will be dedicated to giving detailed information on each of these faults.
6.7 Self Diagnostics
The Z Series transmitter is equipped with a set of TEST menus for testing various
internal systems. To access the TEST menus press [MORE, TEST]. This brings you
to the screen in Figure 6-4. This screen gives you 2 choices:
• SYSTEM TEST
• CONTROL HARDWARE
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