6-12 888-2629-200 10/6/10
WARNING: Disconnect primary power prior to servicing.
Section 6 Diagnostics
Maxiva ULX COFDM Series
Table 6-5 System Faults List
TYPE Description Fault Level
or Threshold
Transmitter
Action
Three
Strike
Available
in Life
Support
Air Temp Ambient control
enclosure air tem
-
perature has
exceeded 65°C.
The source of this
temp can be from
the temp sensor in
the MCM module
for instance.
65°C WARNING NO YES
Coolant Flow Coolant flow is less
than the minimum
Liters per minute
flow rate for the
number of PAs
present
Depends on
transmitter
model
RF MUTE followed
by pump switcho
-
ver. If still insuffi-
cient flow RF
MUTE stays active
until proper flow is
restored. Transmit
-
ter returns to ON
state automatically
when fault clears.
NO YES
Coolant Leak Coolant leak
detected inside
transmitter cabinet
N/A Transmitter Fault
OFF. A manual turn
ON is required for
recovery
NO YES
Coolant Inlet
Temperature
Coolant tempera-
ture has exceeded
55°C
Warning at
55°C, Fault at
65°C
WARNING. RF
MUTE if coolant
temperature
reaches 65°C.
Transmitter returns
to ON state auto
-
matically when
fault clears.
NO YES