3/6/08
888-2463-001
6-7
WARNING: Disconnect primary power prior to servicing.
Section 6 Troubleshooting
Diamond Series™
6.2.3.3
Reference
+5V reference voltage on the Module Control board is not within tolerance. Warning
only. This effects module calibration. The module should be sent in for repair.
6.2.3.4
+12V Fault
+12V not in tolerance on the Module Control board. Warning only. (Other problems
likely to result). Module should be sent in for repair.
6.2.3.5
Com Fail
Module is not communicating with the Main Controller via the CAN bus. Module
might continue operating. Can occur if module ID is wrong (misconfigured cabinet ID
or bad backplane ID). Non-latching.
•
Check Dipswitches on the Module Backplane boards for proper setting. Also
check for proper setting of rotary switch S1 on the Cabinet Controller for
that cabinet, see Table 5-3 on page 5-38.
•
Try swapping module to another slot. If Com Fault follows the module, the
module should be sent in for repair.
If the Com Fault stays with the slot, do the following:
•
Visually check the pins in the stationary module connector at the back of the
module slot (several modules may have to be removed to gain access). The
center of the module connector (containing the rf input cable and 4 white
ribbon cables) can be removed from the rear of the PA Cabinet if necessary.
If the pins are suspect, replace the white ribbon cable (the pins are part of
this cable).
•
Check the connection of the white ribbon cables from the module connector
to the Backplane board. It is possible that the cable has simply slipped out
the back of the connector and can be simply pushed in until it clicks into
place. Make sure the module is removed before inserting or removing the
connector. This cable could also be swapped with another or simply
replaced.
•
If the problem persists, the Module Backplane board should be replaced or
swapped with another to confirm that the problem moves with the board. Do
not forget to change the dipswitches on the boards if they are swapped for
troubleshooting.