Crestron DigitalMedia DM-MD128X128, Руководство по эксплуатации и установке

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Crestron DM-MD64X64/DM-MD128X128 DigitalMedia Switchers
Operations & Installation Guide – DOC. 7318D DigitalMedia Switchers: DM-MD64X64/DM-MD128X128 • 37
Problem Solving
Troubleshooting
The following table provides corrective action for possible trouble situations.
If further assistance is required, please contact a Crestron customer service
representative.
DM-MD64X64 and DM-MD128X128 Troubleshooting
TROUBLE POSSIBLE
CAUSE(S)
CORRECTIVE ACTION
Audio or video is
distorted.
Source does not match
capabilities of
destination.
Check EDID capabilities of
devices in the system.
Video loss
occurs.
Various conditions may
cause video loss.
Use the DM switcher user
interface to determine cause
and correct accordingly.
POWER
SUPPLIES 1, 2,
or 3 LED on front
of unit is not lit.
Power connection is
faulty.
Do the following as necessary:
• Check power connection.
• Reseat power supply.
1
POWER
SUPPLIES
FAULT LED on
front of unit
flashes red.
A fault exists with a
power supply.
Do the following as necessary:
• Check power connection.
• Reseat power supply.
1
If problem persists, replace
power supply.
2
OK
power supply
LED on rear of
unit is not lit.
Power connection is
faulty.
Do the following as necessary:
• Check power connection.
• Reseat power supply.
1
If problem persists, replace
power supply.
2
! power supply
LED on rear of
unit lights amber.
A fault exists with the
power supply due to
any of the following
conditions: under
voltage, over voltage,
over temperature, fan
failure conditions, or
over current protection
of standby voltage.
Do the following as necessary:
• Cycle ac power.
• Eliminate cause of failure
(for example, under voltage,
over voltage, or fan failure)
as appropriate.
If problem persists, replace
power supply.
2
DM link status
LED on fiber
input/output blade
blinks green once
a second.
Input/output port
cannot establish a link
to the connected
device.
Check cable connection to the
DM switcher and the connected
device.
1. Before removing a power supply, disconnect the ac power cord from the corresponding power inlet.
Connect the ac power cord to the corresponding power inlet after a power supply is installed.
2. Although the DM-MD64X64 and DM-MD128X128 continue to operate if a single power supply fails,
it is recommended that the failed power supply be replaced as soon as possible to restore power
supply redundancy.