Rosemount double-flange level measurement
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The header shows that the failure mode is resolved after a power restart, but after some time, a fault alarm appears again. The settings were checked with 375 and everything seems fine; could there be an issue with the processor or circuit board in the header?
If the fault alarm has nothing to do with the set operating conditions, then it’s a module issue.
First, check for electromagnetic interference around the gauge head and ensure that the power supply is stable. If these issues are ruled out, it’s likely that there is a problem with the processor or circuit board inside the gauge head; in that case, trying another unit might help.
There is a high possibility that the module is not working stably; you can try replacing it with another module of the same type!
Amazing – the header shows “failure mode”, and it still works after a power outage and restart. I’ve never heard of this before! Also, after you make the request, will the alarm sound after some time, or will it still show this? Go and check whether this watch is still under warranty. It shows that 90% of cases with this error code are caused by human error in handling the hardware; in almost all the cases I’ve seen, this error persists and doesn’t go away. The fact that it still functions after a power outage suggests that the problem might not be that serious, but basically the gauge is now useless. During the warranty period, take it back to the factory right away; it’s uncertain whether warranty coverage will be provided, but it’s likely not. If it’s not under warranty, replace it with a new one by yourself. If you wish, you can try to find the cause on your own and see if it’s possible to restore it. I can tell you the specific methods, but it’s just a trial; basically, it’s already damaged beyond repair.
Check whether the voltage is normal, whether it is caused by the internal circuit board, or whether it is due to a grounding error.