Emerson Process Management 2051 manual Rosemount, Reference Manual, 00809-0200-4101,Rev AA July

Rosemount 2051

Reference Manual

00809-0200-4101, Rev AA July 2008

1.Put Resource block into "OOS" (Out of Service).

2.Go to the parameter called "SELF_TEST" and write the value Self test (0x2).

3.Observe the LCD screen when you are doing this. All of the segments should light up.

4.Put the Resource block back into "AUTO".

Table 5-10. LCD Transducer

Block BLOCK_ERR messages	Condition Name and Description
	Other
	Out of Service: The actual mode is out of service.
Symptom		Possible Causes	Recommended Action
The LCD displays “DSPLY#INVLID.” Read the		One or more of the display parameters are	See “LCD Transducer Block” on
BLOCK_ERR and if it says “BLOCK		not configured properly.	page 2-16.
CONFIGURATION” perform the Recommended Action
“2051” is being displayed or not all of the values are		The LCD block parameter	See “LCD Transducer Block” on
being displayed.		“DISPLAY_PARAMETER_SELECT is not	page 2-16.
		properly configured.

The display reads OOS	The resource and or the LCD Transducer
	block are OOS.
The display is hard to read.	Some of the LCD segments may have
	gone bad.
	Device is out o the temperature limit for the
	LCD. (-20 to 80 °C)

Verify that both blocks are in “AUTO,”

See XXXX (Self Test). If some of the segment is bad, replace the LCD.

Check ambient temperature of the device.

5-8