MV-841/851 User Manual
Status LEDs
Hardware Modules
Issue 1 Revision 1
Page 18
© 2020 Grass Valley, a Belden Brand
Status LEDs
Table 5 MV-841/851 Multiviewer Front Module LED Information
Label
LED
Color
Detail
Status
ACT
Green
Active Heartbeat
• Flashing (2Hz): Working correctly.
• Solid On or Off: Software fault detected. Contact Grass Valley Customer
Support (See
Grass Valley Technical Support
on page 59 for details).
ERR
Red
Error
• Off: Working correctly.
• On: Hardware fault detected. Contact Grass Valley Customer Support.
WRN
Amber
Over
Temperature
Warning
• Off: Working correctly.
• On: MV-841/851 module overheating - ensure router fan doors are all
closed and the fans are all operating correctly.
OK
Green
Hardware
Communications
• Solid On: Working correctly.
• Flashing (2Hz): Hardware communications fault detected,
contact Grass Valley Customer Support.
LOCAL
CMD OK
Yellow
Local Command
OK
Receiving command messages from local router controller module. (I.e. a
control module in the same router frame.)
• Flashing - receiving information and working correctly. See
Note 1
.
LOCAL
CMD ERR
Red
Local Command
Error
• Off - normal state.
• Flashing - Command message communication from the local router
controller is corrupt or message has not been received.
See
Note 1
and see
Note 2
.
REMOTE
CMD OK
Yellow
Remote
Command OK
Receiving messages from a remote expansion router controller.
(I.e. a control module in expanded router frame linked to this frame).
• Off - Expansion not used. (I.e. Sirius 840 or 850 with no expansion.)
• Flashing - Receiving information and working correctly.
(For a Sirius 850 router system expanded to a Sirius second frame.)
See
Note 3
.
REMOTE
CMD ERR
Red
Remote
Command Error
• Off - Expansion not used. (I.e. for Sirius 840 and 850 with no expansion’)
• Off - Normal state for Sirius 850 expanded to second frame.
Flashing - Command message communication from remote expansion
router controller is corrupt or message has not been received.
See
Note 3
. See
Note 2
and
Note 4
.
Note 1:
If both “LOCAL CMD ERR” LED is flashing
and
“LOCAL CMD OK” LED is also flashing,
it suggests a mismatch in configuration of router controller. Check the router controller configuration.
Note 2:
A communications error could be caused by a hardware failure or incorrect module insertion.
Check module is inserted correctly.
Note 3:
If both the “REMOTE CMD ERR” LED is flashing and the “REMOTE CMD OK” LED is also flashing,
it suggests a mismatch in the configuration of the router controller. Check the controller configuration.
Note 4:
A communications error could be caused by a hardware failure or incorrect cable insertion.
Check the four RJ45 connections between the two router frames are fitted correctly. (See
Sirius 800 User
Manual,
section 12, Expansion.)