Crestron
MPC-M10/20/25
Media Presentation Controller
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.
MPC-M10/20/25 Troubleshooting
TROUBLE
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Unexpected
response from
control system.
Network devices are not
communicating with the
control system.
Use Crestron Toolbox to poll
the network. Verify network
connection to the device.
Top left LED on
front panel is lit
but no response
from device.
Power has been applied
but no program has
been loaded.
Use SIMPL Windows or
Crestron Toolbox to load the
program.
Compilation error
RLCMCVT166 &
RLCMCVT177.
Poor analog versus
serial signal definition in
the SIMPL Windows
program.
Confirm properly defined
signal definition in the
program.
System locks up.
Various.
Press
SW-R
(behind front
cover) and
HW-R
buttons at
the same time to bypass
program and communicate
directly with the processor.
Refer to “Troubleshooting
Communications” in the latest
version of the Crestron
2-Series Control Systems
Reference Guide (Doc. 6256)
for more details.
Cresnet device
does not respond.
Device not wired
correctly.
Verify Cresnet wiring.
Improper Net ID used.
Verify that device ID matches
Net ID in the program.
A/V system device
does not respond.
Used wrong IR port.
Verify that proper IR port is
defined.
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.
Device does not
function.
Power supply wires not
connected properly.
Verify power supply lead with
white stripes is connected to
NET
connector terminal
marked
24
. The other lead
should be connected to the
terminal marked
G
.
Operations & Installation Guide – DOC. 6701C
Media Presentation Controller: MPC-M10/20/25
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