Grass Valley 8977AP-4B - Manual (Page 58)

58 8977AP-4B/4U — Instruction Manual
Service
Service
The 8977AP modules make extensive use of surface-mount technology and
programmed parts to achieve compact size and adherence to demanding
technical specifications. Circuit modules should not be serviced in the field
unless otherwise directed by Customer Service.
Power-up Diagnostics Failure
If the module has not passed self-diagnostics, do not attempt to trouble-
shoot. Return the unit to Grass Valley (see
Module Repair on page 59 ).
Troubleshooting
Electronic Circuit Breaker
The electronic circuit breaker works during a fault condition or an overcur-
rent which stops the module.
Remove the module and replace it in the frame. If the problem persists,
please contact Grass Valley Customer Service with the contacts given on
page 4 .
Table of Alarms
Table 4 describes the different type of alarms generated on the module.
Table 4. List of Alarms for 8977AP Module
Alarm
type
Web Page Description
LED
Status
Comments
Status
reported
to the
8900Net
&SNMP
Pass Genlock module is not installed Green Genlock missing No
Fault Genlock submodule failed, replace Red Genlock Failure No
Fault Power supply bad Red Problem of power supply Yes
Fault FPGA failure Red FPGA not loaded Yes
Warning Wrong Rear Module (incompatible with 8977AP-4U) Yellow Rear module is different of 8900UE-R Yes
Warning Wrong Rear Module (incompatible with 8977AP-4B) Yellow Rear module is different of 8900BA-R Yes
Warning Ref 1 is Not Present Yellow Ref 1 from FrameRef 1 is missing Yes
Warning Ref 2 is Not Present Yellow Ref 2 from FrameRef 2 is missing Yes
Warning Local Ref is Not Present Yellow Input ref is not detected Yes
Warning Redundant Ref in Not Present Yellow The second ref selected is missing Yes
Warning Audio Input: AES 1 Input Signal Not Detected Yellow No AES 1 input detected Yes
Warning Audio Input: AES 2 Input Signal Not Detected Yellow No AES 2 input detected Yes
Warning Audio Input: AES 3 Input Signal Not Detected Yellow No AES 3 input detected Yes