Chapter 2 Installation Device Diagnostics
Branch Feeder Monitor 136_Installation Operation and Manual 22
2.6 Device Diagnostics
Device diagnostic messages may appear as a result of the BFM136 built-in diagnostic tests performed
during start-up and device operation. See Device Diagnostic Codes in Appendix F for the list of diagnostic
codes and their meanings.
The device diagnostics status is stored in a non-volatile register, which may be inspected and cleared via
PAS, from the meter display or from a user application. All diagnostic events with time stamps are also
recorded in the device Event log and can be inspected via PAS (see Retrieving the Event Log in Chapter
4).
See Diagnostics Display and Reset in Chapter 3 on how to inspect and clear the device diagnostics status
from the display. See Viewing and Clearing Device Diagnostics in Chapter 4 on how to inspect and clear
the device diagnostics status via PAS. Refer to the BFM136 Modbus Reference Guide for the diagnostic
register address and layout.
In the event of a device fault, check the fault reason and clear the device diagnostics. In the event of a
time fault, update the device clock. In the event of a configuration reset, check the setup affected by the
fault via the device Event log, and then verify the setup data.
Hardware failures are normally non-critical recoverable faults that do not cause a system failure but may
cause data loss. Hardware failures are often caused by excessive electrical noise in the region of the
device.
If the device continuously resets itself, contact your local distributor.
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