300-R010-45G datasheet(33/36 Pages) MAGNETROL

33 / 36 page

TROUBLESHOOTING cont.

Following are troubleshooting displays which could appear on the Model 300/301.

Display

Cause

Solution

FACT PARAM FAIL

The factory parameters dealing

Press ENT to continue. This loads the default values for the

with level measurement are corrupt.

factory parameters.

TAG LINE LOSS

The tag line characters are corrupt.

Press ENT to continue. This loads the default tag line into long-term

memory. If you are using a custom tag line, the tag line must be

re-entered.

SYS PARAM FAIL

The main parameters, which store

Press ENT to continue. This loads default values for the main

range, span, and communications,

parameters. Verify all of the items in the System Config menu.

etc. are corrupt.

STRAP TABLE FAIL

There is an error in the custom

Press ENT to continue; the table is cleared. If a custom table is not

table (linear or spline) entry.

being used, then this error can be ignored. If you are using a custom

table, the table has to be re-entered.

FV PARAM FAIL

The flow or volume parameters

Reconfigure flow and volume settings.

are corrupt.

LOOP PRESET FAIL

The loop presets are corrupt.

The loop will have to be recalibrated in the Advance Config menu

under Adjust Loop Points.

RELAY PARAM FAIL

The parameters for Relays

Press ENT to continue. The relays are disabled, and the settings are

are corrupt.

set to default values. Reconfigure the relays from the I/O Config menu.

LOOP PARAM FAIL

The 4–20 mA loop parameters

Press ENT to continue. The loop is disabled and the settings are set

are corrupt.

to default values. Reconfigure the 4-20 mA from the I/O Config menu.

TRANSDUCER FAIL

The unit was not able to detect a

Ensure that the transducer is connected properly to the unit. Try

NO TRANSDUCER

transducer connected or was not

replacing the transducer. Return the unit for repair.

able to determine the transducer’s

BAD TRANSDUCER

frequency.

ECHO LOSS

The unit is not able to detect a

Ensure that the level to be detected is within the range and span of

return signal from the transducer.

the unit. Check the application for foam, obstructions, or heavy

vapors.

RINGDOWN

The transducer is ringing long

Try decreasing the span to increase the dead band (range minus span)

enough to ring into the level span of

of the unit. Try replacing the transducer because the current trans-

the unit.

ducer may have a problem that causes it to ring an extra long time.

TEMPERATURE FAIL

The signal from the temperature

Check to see that the transducer wires are connected properly. Ensure

transducer in the transducer is out

that the transducer wires are not shorted or open.

of range. Either a short or open lead

detected.

INVALID PASSWORD

The password entered is not valid.

Retry the previous operation and enter the proper password.

LOOP OUT RANGE

The calculated value for the loop

If the level is within a normal operating range, adjust the loop

output is greater than 20 mA or

parameters to allow proper tracking of the level.

less than 4 mA. The loop output will

be in its fail-safe mode.

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