QUANTUM
™
HD COMPRESSOR CONTROL PANEL
MAINTENANCE
090.040-M (NOV 2016)
Page 47
SERVICE - COMMUNICATIONS
DESCRIPTION: This screen allows the technician to verify
and troubleshoot serial communications issues.
The following buttons are provided (refer to the Communi-
cations Manual (090.040-CS) for specic information about
these three tests):
• Test Comm1 - Comm2
• Test Comm2 - Comm3
• Test Comm 3 - Comm1
• Redetect I/O Comms - This selection provides a method
to detect all connected Analog and Digital boards. For ad-
ditional information about this screen, refer to 090.040-CS
(Communications Manual).
The following are some of the things that can occur that
would cause an I/O board to stop communicating with the
Quantum™ HD, and would require that you Redetect I/O
Comms:
• A board has been removed, and power was turned on with
the board removed. You would need to replace the board,
re-power, and then select [Redetect I/O Comms].
• A board has failed in such a way that it cannot properly
communicate with the Quantum™ HD.
• A failure with the communications cable which is plugged
into the end of each board
If any of these things occur, a communications error shut-
down will be issued until this key is selected. You should
always view the About screen to see what has been detected.
ACCESSING:
Communications
090.040-PH0011.tif
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