Emerson Process Management IB106-340 LED Status Indicators, Nostic alarm LED will be

Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 2.4 April, 2001

readings using the first cali-		8 Push the CAL key; the CAL
bration gas and the CAL LED		LED will be on solid as the
will flash continuously. The		unit purges. (Default purge
flashing indicates the Oxy-		time is three minutes). When
mitter 4000 is ready to take		the purge is complete, the
readings using the second		CAL LED will turn off and the
calibration gas.		Oxymitter 4000 output un-
		locks from its held value and
5 Remove the first calibration		begins to read the process O2.
gas and apply the second
calibration gas. (Electronics		If the calibration was valid, the DI-
will abort the calibration if step		AGNOSTIC ALARMS LEDs will in-
6 is not done within 30		dicate normal operation. If the new
minutes).		calibration values, slope or con-
		stant, is not within the parameters,
6 Push the CAL key; the CAL		the DIAGNOSTIC ALARMS LED
LED will be on solid. The		will indicate an alarm. (See Section
timer is activated for the sec-		7, TROUBLESHOOTING, for
ond calibration gas flow.		alarm codes). If the calibration was
When the timer times out, the		invalid, the Oxymitter 4000 will re-
CAL LED will flash a 2 pattern		turn to normal operation, as it was
flash or a 3 pattern flash (2		before a calibration was initiated,
pattern flash equals a valid		and the parameters will not be
calibration, 3 pattern flash		updated.
equals an invalid calibration).		(e) Place control loop in automatic.
If the slope or the constant is
out of specification, a diag-	6-3 LED STATUS INDICATORS
nostic alarm LED will be
		6
flashing. The diagnostic alarm	a.	Diagnostic/Unit Alarms
will remain active until the

purge cycle is over. If the	Table 6-1 lists the types and status of
three pattern flash occurs
	alarms that will be encountered. (See
without a diagnostic alarm,
	Section 7, TROUBLESHOOTING, for a de-
the calibration gases could be
	tailed description of each fault).
the same or the calibration
gas was not turned on.	b. When the electronics determines a calibra-
The CAL LED flashing indi-	tion is recommended, the CALIBRATION
	RECOMMENDED LED is on solid.
cates the calibration is done.
(See Section 7, TROUBLE-	c. The CAL LED turns on when a calibration is
SHOOTING, for an explana-
	recommended and is on during the calibra-
tion of the 2 pattern and 3
	tion process. During calibration, the CAL
pattern flashes).
	LED can be flashing, which would indicate
7 Remove the second calibra-	operator action is requested, or on solid,
	which indicates calculations and measure-
tion gas and cap off the cali-
	ments are in progress.
bration gas port.

Rosemount Analytical Inc. A Division of Emerson Process Management Maintenance and Service 6-5