Maintenance and Troubleshooting | 6-49
Decimal Alarm
Bit Value Type Alarm Condition / Description and Suggested Corrective Action
0 1 Fault f: HC-OBMC communication problem
This serious system Fault condition indicates the Host Controller board cannot
establish reliable communications with the Microcontroller board.
Corrective Action:
Take appropriate safety precautions and cycle the analyzer AC power o for a
minimum of 15 seconds before cycling it on again.
If this doesn’t correct the alarm, take appropriate safety precautions, open the
Lower Enclosure, and:
• From the Info dialog box and click the HC Reset button to reset the Host
Controller board.
If this still doesn’t correct the alarm, open the Electronics Enclosures, and:
- Reset the Host Controller board (press SW100, Lower Enclosure – see
Figure 6-15).
- Reset the Microcontroller board (press SW400, Upper Enclosure – see
Figure 6-16).
• Check the connections of the cable between the Host Controller (J300) and
Micro-Interface (J104) boards. Inspect it for damage (cuts, nicks, burn marks,
etc.).
• Replace the Microcontroller, Host Controller, and/or Micro-Interface
boards. Contact AMETEK to verify operation before removing any of these
boards.
1 2 Fault f: Analytical data not received
This serious system Fault condition indicates the Host Controller board is not
receiving analytical data from the Microcontroller board.
Corrective Action:
Take appropriate safety precautions and cycle the analyzer AC power o for a
minimum of 15 seconds before cycling it on again.
If this doesn’t correct the alarm, take appropriate safety precautions, open the
Lower Enclosure, and:
• From the Info dialog box and click the HC Reset button to reset the Host
Controller board.
If this still doesn’t correct the alarm, open the Electronics Enclosures, and:
- Reset the Host Controller board (press SW100, Lower Enclosure – see
Figure 6-15).
- Reset the Microcontroller board (press SW400, Upper Enclosure – see
Figure 6-16).
• Check the connections of the cable between the Host Controller (J300) and
Micro-Interface (J104) boards. Inspect it for damage (cuts, nicks, burn marks,
etc.).
• Replace the Microcontroller, Host Controller, and/or Micro-Interface
boards. Contact AMETEK to verify operation before removing any of these
boards.
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Setup (tab)Analyzer
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