Harris Maxiva ULX COFDM Series - Power Supply Faults List

6-8 888-2629-200 10/6/10
WARNING: Disconnect primary power prior to servicing.
Section 6 Diagnostics
Maxiva ULX COFDM Series
Table 6-3 Power Supply Faults List
TYPE Description Fault Level or
Threshold
Transmitter
Action
Three
Strike
Available
in Life
Support
+VA VDC
FLT
+15V Voltage Fail-
ure
Value is more than +/-
15% of normal reading
WARNING NO YES
-VA VDC FLT -15V Voltage Failure Value is more than +/-
15% of normal reading
WARNING NO YES
+5 VDC FLT +5V Voltage Failure Value is more than +/-
15% of normal reading
WARNING NO YES
+3.3 VDC
FLT
+3.3V Voltage Fail-
ure
WARNING WARNING NO YES
AC Mains
High
AC Mains voltage
has exceeded 10%
above nominal
WARNING NO YES
AC Mains
Low
AC Mains voltage
has exceeded 15%
below nominal
Any phase is greater
than +/- 5% of the
average of all three
phases
NO YES
AC Phase
Imbalance
AC line imbalance
phase to phase
Wrong sequence WARNING NO YES
AC Phase
Sequence
Wrong Phase
sequence detected
FUSE OPEN RF MUTE,
Pump and
Heat
exchanger
turned OFF.
Transmitter
returns to ON
state automati
-
cally when
fault clears.
NO YES
MOV Fuse 1 Fuse failed on MOV
board
FUSE OPEN WARNING NO YES