Communications Failures; Viewing Quality Assurance Trends - GE Medical Systems PRODIGY Service Manual

The X-RAY ON light is off. This could indicate the following:

4.14 Communications Failures

Should the scanner, host computer and or Detector Mother Board lose
communications with each other, there are a number of things to check:
A good troubleshooting tool is the COMM test in Tools/Service Options -
COMM tab.
Check
If the ports are properly configured and all power is present, and
communication still fails, then the probable causes are:
Replacement of these parts is the best troubleshooting method.

4.15 Viewing Quality Assurance Trends

4-142Troubleshooting
• The FOINK is faulty.
• The SBC is faulty.
• X-ray production has halted. This turns off the X-ray On light and sounds
the Alarm.
• the I/O cable connections at the serial port on the back of the Host
computer and at the SBC. Be sure both connections are tight and that
the thumb screws are used to hold the connectors firmly together.
• inspect the connector on the SBC. This connector is very fragile and may
have been damaged. Be very careful when connecting the I/O cables to
the SBC.
• Check and inspect the Signal Cable input at the SBC
• Check the Connection at the Detector Mother Board and the Bulkhead,
where the two halves of the signal cable meet.
• Verify the power LED's on the SBC are lit (See section 4.19)
• Verify that the Power LED's and PLD programming LED's are lit on the
DMB (see section 4.21)
• A faulty I/O cable.
• A faulty SBC.
• A faulty serial port / serial port card.
DPX-NT Service Manual (Rev A- 1999)