1264C User Manual
Racal Instruments © 1998
Maintenance 5-13
Table 5-1 Troubleshooting
PROBLEM POSSIBLE
CAUSES
WHAT TO DO
Unit does not Power On
·
1264C mainframe not
connected to power
source.
·
Make sure that the 1264C is connected
to a live electrical outlet and the AC
power switch is on. Try operating
another piece of equipment from this
outlet.
·
Blown AC Mains Fuse.
·
Unplug AC mains power and check the
fuse. See “Removal and Replacement
of the AC Mains Fuse” in Chapter 5.
·
Power supply protections
are active causing the
supply to be “shutdown”.
·
Refer to “Power Supply Protections” in
Chapter 4.
·
Cycle power to clear fault. If fault
persists remove installed VXI modules
(cycle power) until fault is cleared.
·
Faulty AC wiring or bad
front panel AC Power
Switch
·
Verify integrity of AC wiring to AC
Power switch and the switch itself.
Contact customer service.
Voltage alarm condition
(RED LED illuminated).
·
Faulty VXI module
installed or voltage fault
occurred
·
Cycle power.
·
If fault persists remove installed VXI
modules until fault indication is cleared.
·
VXI supply is out of
tolerance
·
Perform Basic Functional Check
procedure from Chapter 3.
Temperature alarm
condition (RED LED
illuminated).
·
Supply intake
temperature limit
exceeded
or
·
Insufficient module
cooling air
·
Check for restrictions to airflow at
mainframe intake and exhaust.
·
Clean mainframe module cooling fan
filter.
·
Check ambient temperature.
·
Fan intake is blocked, or
fan filter is clogged
·
Check for restrictions to airflow at
mainframe intake and exhaust.
·
Clean mainframe module cooling fan
filter.
Fan alarm condition
·
S400 Voltage switch set
to incorrect position
·
Set S400 to position that corresponds
to the input power voltage.
Summary of Contents for 1264C
Page 5: ......
Page 6: ...This page was left intentionally blank ...
Page 12: ...vi This page was left intentionally blank ...
Page 57: ...1264C User Manual Racal Instruments 1998 Maintenance 5 15 ...
Page 58: ...1264C User Manual Maintenance 5 16 Racal Instruments 1998 ...
Page 59: ...1264C User Manual Racal Instruments 1998 Maintenance 5 17 ...
Page 60: ...1264C User Manual Maintenance 5 18 Racal Instruments 1998 ...
Page 61: ...1264C User Manual Racal Instruments 1998 Maintenance 5 19 ...
Page 62: ...1264C User Manual Maintenance 5 20 Racal Instruments 1998 ...
Page 63: ...1264C User Manual Racal Instruments 1998 Maintenance 5 21 ...
Page 64: ...1264C User Manual Maintenance 5 22 Racal Instruments 1998 ...
Page 65: ...1264C User Manual Racal Instruments 1998 Maintenance 5 23 ...
Page 66: ...1264C User Manual Maintenance 5 24 Racal Instruments 1998 ...
Page 67: ...1264C User Manual Racal Instruments 1998 Maintenance 5 25 ...
Page 68: ...1264C User Manual Maintenance 5 26 Racal Instruments 1998 SLOT 5 ...
Page 69: ...1264C User Manual Racal Instruments 1998 Maintenance 5 27 ...
Page 70: ...1264C User Manual Maintenance 5 28 Racal Instruments 1998 ...
Page 71: ...1264C User Manual Racal Instruments 1998 Maintenance 5 29 ...
Page 72: ...1264C User Manual Maintenance 5 30 Racal Instruments 1998 ...
Page 73: ...1264C User Manual Racal Instruments 1998 Maintenance 5 31 ...
Page 74: ...1264C User Manual Maintenance 5 32 Racal Instruments 1998 ...
Page 75: ...1264C User Manual Racal Instruments 1998 Maintenance 5 33 ...
Page 76: ...1264C User Manual Maintenance 5 34 Racal Instruments 1998 ...
Page 77: ...1264C User Manual Racal Instruments 1998 Maintenance 5 35 ...
Page 78: ...1264C User Manual Maintenance 5 36 Racal Instruments 1998 ...
Page 79: ...1264C User Manual Racal Instruments 1998 Maintenance 5 37 ...
Page 80: ...1264C User Manual Maintenance 5 38 Racal Instruments 1998 ...
Page 81: ...1264C User Manual Racal Instruments 1998 Maintenance 5 39 ...
Page 82: ...1264C User Manual Maintenance 5 40 Racal Instruments 1998 ...
Page 83: ...1264C User Manual Racal Instruments 1998 Maintenance 5 41 ...
Page 84: ...1264C User Manual Maintenance 5 42 Racal Instruments 1998 ...
Page 85: ...1264C User Manual Racal Instruments 1998 Maintenance 5 43 ...