Troubleshooting The 1261B - Racal Instruments 1261B User Manual

1261B User Manual
Troubleshooting
The 1261B
Racal Instruments Ó 1995
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1. Insert a flat blade screwdriver into the slot in front
of the retaining hook.
2. Gently pry the tab of the retaining hook to the
rear, and lift the card guide, releasing it at the
front.
3. Gently pull the card guide forward releasing it
from the center and rear retaining hooks. Bowing
the card guide is required to clear the front rail.
4. To replace, align the card guide with the
mainframe front ensuring that the "V" groove is at
the front.
5. Gently push down and to the rear to engage the
hooks at the rear and middle of the card guide.
Bowing the card guide is required to clear the
front rail.
6. Allow the front retaining hook to rest on the front
rail.
7. Insert a flat blade screwdriver into the slot in front
of the retaining hook.
8. Gently pry the tab of the retaining hook to the
rear, and press down the front of the card guide to
snap into position.
To troubleshoot the 1261B VXIbus mainframe to its component
module level use Table 7-1 and Understanding the 1261B in
Chapter 6.
"Alarm conditions" referenced in the PROBLEM column of
Table 7-1 occur when the monitored system health status
function (Voltage, Current, Temperature, or Airflow) is outside
of its specified tolerance.
indicators and tolerance limits refer to Table A-8 or A-9 for SMS
or EMS equipped mainframe, respectively.
For information on health status
Maintenance 7-15