Error code
Juniper All models code I2C
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Meaning
Major (red)
Member details
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View details as a memberPossible causes
In a 8-slot chassis, if the SCL (Serial Clock Line) pin of I2C shorts to GND (Ground) pin in parent/primary PSM0 due to clock stretching on the PSM0, it impacts transactions on all the child/secondary PSMs. You will not be able to see the status of the PSM due to “hwdre” failure. In such cases, isolate the faulty PSM by removing and identifying the faulty PSM iteratively, and replace the faulty PSM. If we interchange the PSMs and still fault remains on all PSMs then it is possible that fault may exist in the chassis/midplane; you may then raise an RMA for this.Example: If you are seeing fault at PSM0 and its subsequent PSMs (PSM1 to PSM3) then the fault may lie in PSM0. You need interchange the PSM0 with any other PSM from the same primary (PSM1, PSM2, or PSM3) and check whether it is rectified.If you are seeing fault at PSM4 and its subsequent child/secondary PSMs (PSM5) then the fault may lie in PSM4. You need interchange the PSM4 with PSM5 (as PSM4 is the primary PSM) and check whether it is rectified
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