Crestron DM-RMC-100 DigitalMedia Room Controller
DM-RMC-100 Troubleshooting (Continued)

TROUBLE POSSIBLE

CAUSE(S)

CORRECTIVE

ACTION

DM LINK LED
does not
illuminate.
Device is not
receiving DMNet
signal.
Verify DMNet is
properly attached.
PWR LED does
not illuminate.
Device is not
receiving power.
Verify DMNet is
properly attached.
Loss of
functionality due
to electrostatic
discharge.
Improper
grounding.
Check that all ground
connections have been
made properly.
Operations & Installation – DOC. 6743A DigitalMedia Room Controller: DM-RMC-100 19