Magnetrol E3 Modulevel - Maintenance and Diagnostics; Handling Warning Messages

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MAINTENANCE
INFORMATION MESSAGES
The lowest in the hierarchy of diagnostic conditions provides operational factors that are not critical to measurement. Further error infor-
mation can be obtained by viewing the status history in the factory menu.
WARNING MESSAGES
A warning message identifies the status of the instrument. A warning message does not necessarily require immediate action but may
require close attention and/or follow up. The warning message will be displayed on the unit and/or selected on the PACTware™ screen while
the output signal will remain normal.
D
isplay
Message
Description Solution
OK
Absence of any warning or fault No action required.
System
Warning
Unexpected system events No action required unless warning
persists
Surge
Readings from the LVDT secondary windings are
changing more rapidly than expected.
Rate of level change is greater than expected.
Check for possible process surge or bent stem.
Display
Message
Description Solution
Initial
Initializing, PV held at 4 mA set point while unit
powers up. Should be transient.
No action required.
Cal Span
Span between Sensor Calibration Hi and Lo
values is less than minimum span.
Recalibrate or reconfigure unit with longer span
Lo Temp
Present temperature measured in
electronics compartment is below -40 °C
(-40 °F).
1. Transmitter may need to be moved to ensure
ambient temperature is within specification
2. Change to remote mount transmitter
3. Controlled external heat may be required to
ensure that temperature inside housing is within
specification
Hi Temp
Present temperature measured in
electronics compartment is above +80 °C
(+176 °F).
1. Transmitter may need to be moved to ensure
ambient temperature is within specification
2. Change to remote mount transmitter
3. Controlled external cooling may be required to
ensure that temperature inside housing is within
specification
TrimReqd
Loop trim values are defaults; loop output may
be inaccurate.
Perform Loop Trim operation.
Cal Reqd
Default calibration parameters in use,
level reading inaccurate.
Consult factory.