Led Conditions For The Imc; Diagnosing The Imc - Reading Led Conditions - Symmetricom TimeProvider 5000 User Manual

Chapter 6 Maintenance and Troubleshooting
Troubleshooting
Diagnosing the IMC  Reading LED Conditions
Table 6-4 shows the function of the LED indicators on the front panel of the IMC.
Table 6-4. LED Conditions for the IMC
Indicator Label
Power PWR
Indicator (IOC
and IMC)
-48V A-Bus BT A
A-Bus Battery
Indicator (IMC)
-48V B-Bus BT B
B-Bus Battery
Indicator (IMC)
336 TimeProvider 5000 User's Guide
Description
Green - Module power available
Off - Module power not available
Off - A-Bus power OK
Red - A-Bus power failed
Off - B-Bus power OK
Red - B-Bus power failed
Corrective Action
n/a
Check power supply
Table 6-2
See ,"No LED lit on
any module" for probable causes
and more corrective actions.
n/a
Check power level from power
supply to power module A.
Check connections to primary
power module A.
Check ground connections.
Check A fuse on the branch
over-current protection unit, and
replace if it is blown.
n/a
Check power level from power
supply to power module B.
Check connections to primary
power module B.
Check ground connections.
Check B fuse on the branch
over-current protection unit, and
replace if it is blown.
098-00028-003 Revision A – June, 2011