Crestron QM-DA Specifications download pdf (Page 16)

QuickMedia™ Distribution Amplifier Crestron QM-DA

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.

QM-DA Troubleshooting

TROUBLE POSSIBLE CAUSE(S) CORRECTIVE ACTION

Device does not

function.

Device is not receiving

power from a Crestron

power source.

Use the provided Crestron

power source. Verify

connections.

Device is not receiving

sufficient power.

Use the Crestron Power

Calculator to help calculate

how much power is needed

for the system.

Power is not being

supplied via the large 5

mm Cresnet port.

Ensure power is supplied via

the large 5 mm Cresnet port.

Power LED does

not illuminate.

QM-DA is not receiving

power.

Verify cable plugged into the

large 5 mm Cresnet port is

secure.

Power is not supplied to

branch.

Apply sufficient power to

branch.

Faulty Cresnet wiring or

Faulty Cresnet device

on hub segment.

For QM-DA-16, move

Cresnet connections to a port

on another hub segment.

Connected QM

devices are not

receiving power.

Remove each Cresnet

connection on the segment

until power is restored to the

remaining devices on the

segment.

Cables improperly

connected.

Verify all QM cables are

secure.

Poor picture or

sound quality.

Incorrect skew settings

in associated devices.

Use QM Tools software to set

correct skew settings for each

QM-RMCRX-BA in the

system.

Loss of

functionality due

to electrostatic

discharge.

Improper grounding.

Check that all ground

connections have been made

properly.

12 • QuickMedia™ Distribution Amplifier: QM-DA Operations Guide – DOC. 6547A

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Crestron QM-DA Specifications Page 16

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