Model 3196RC | 5 • Troubleshooting and maintenance |
|
|
Fault analysis
The following procedures outline steps you should follow when troubleshooting a Model 3196RC malfunction.
1.If possible, talk to the person who filed the trouble complaint and determine the operational symptoms. Record the symptoms on the appropriate trouble report form (include the front panel LED indications).
2.Refer to table 8 for LED definitions and compare the recorded results from the trouble report against those in the table, then refer to the section recommended in the table for the maintenance procedure that will repair the malfunction.
Table 8. LED definitions
LED | Location | Color | Status | Meaning |
|
|
|
|
|
POWER | Front | Green | On | Power is being applied. No action recommended. |
| panel |
| solid |
|
|
|
| Flash- | The 3196RC has detected a power failure on a power |
|
|
| ing | bus. There may be a problem with the CPCI power sup- |
|
|
|
| ply system such as a failed power supply module in the |
|
|
|
| chassis. The Model 3196RC will function normally with |
|
|
|
| one power supply. Inspect the power supplies in the CPCI |
|
|
|
| chassis to identify and replace the failed power supply |
|
|
|
| module. If the POWER LED continues flashing when all |
|
|
|
| chassis power supplies are functional, contact Patton |
|
|
|
| Technical Support to determine if the |
|
|
|
| replaced. |
|
|
|
|
|
|
|
| Off | No input power is being applied. Verify that at least one |
|
|
|
| chassis power supply module is installed in the chassis |
|
|
|
| and functioning normally. |
CPU FAIL | Front | Red | On | CPU is unable to load the software from FLASH to RAM |
| panel |
| solid | for operation. As soon as possible, remove the Model |
|
|
|
| 3196RC from the CPCI chassis, wait 30 seconds, then re- |
|
|
|
| insert the Model 3196RC into the CPCI chassis and see if |
|
|
|
| the problem disappears. If the CPU FAIL LED remains lit |
|
|
|
| after the Model 3196RC completes the |
|
|
|
| contact Patton Technical Support to determine if the T- |
|
|
|
| DAC needs to be replaced. |
|
|
|
|
|
|
|
| Off | The CPU is operating normally. No action recommended. |
ALARM | Front | Red | On | A minor alarm condition has been detected. |
| panel |
| solid |
|
|
|
|
|
|
|
|
| Flash- | A major alarm condition has been detected. |
|
|
| ing |
|
|
|
| Off | The Model 3196RC is operating normally. No action rec- |
|
|
|
| ommended. |
|
|
|
|
|
Fault analysis | 72 |
