Honeywell SLG 700 User Manual page 75

Smartline level transmitter guided wave radar hart option
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Name (DTM/DD)
Electronic Module
Comm Failure
DAC Temperature
Above 100 °C
Config Change DB
corrupt
Adv Diag DB RAM
corrupt
Brownout Status
Local Display Failure
Revision 5
Description (Cause)
This is a roll-up status bit that is set
when any of the following non critical
status conditions are present:
DAC Temperature above 100 °C
Config change database block is
corrupted in Communication
board.
Advance diagnostics database
block is corrupted in
Communication board
Brownout Status.
The communication board
temperature is high above 100 °C.
NVM copy of Configuration history
database block found corrupt.
Communication board RAM copy of
Advanced diagnostics database block
found corrupt.
This indicates that device is reset due
to fluctuations in supply voltage of
communication board.
This is a roll-up status bit that is set
when any of the following critical
status conditions are present.
Meter (Display) Timeout
Display NVM Corrupt
Display View1 corrupt
Display View2 corrupt
Display View3 corrupt
Display View4 corrupt
Display View5 corrupt
Display View6 corrupt
Display View7 corrupt
Display View8 corrupt
SLG 700 Series HART Option User's Manual
Resolution (Steps to take)
Refer to each condition later in this
table.
Check the ambient temperature and if
ambient temperature is well below 100
deg C, check if there are other DAC
faults reported by device. Power cycle
the device and if error still persists
replace the Communication module.
Use clear NVM corrupt method
from host to clear the NVM error.
This method will default the
communication module config
change NVM data.
Power cycle the device.
If the problem still persists then NVM
might be damaged so need to replace
Communication module.
Power cycle the device.
If the problem still persists then RAM
might be damaged so need to replace
Communication module
Verify the supply voltage to transmitter
and loop resistance and any noise
source near transmitter. Power cycle
the device and if problem still persists
then replace Communication module.
Refer the resolution column
corresponding to respective non critical
status conditions.
Page 67

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