Alarms Calib Failed | Emerson 4000 specs

Oxymitter 4000

Instruction Manual

IB-106-340 Rev. 3.0 December 2003

HEATER T/C

DIAGNOSTIC HEATER

ALARMS O2 CELL CALIBRATION

CALIBRATION RECOMMENDED

SW2

o. Fault 15, Last Calibration Failed

Figure 8-17shows the electronic assembly

for an Oxymitter 4000 with a membrane

keypad (upper view) and an Oxymitter 4000

with an LOI (lower view).

Membrane Keypad. When Fault 15 is de-

tected, the CALIBRATION LED flashes

TEST

POINTS

INC INC

HIGH LOW

GAS GAS

DEC DEC

O2 CELL mV +

O2 CELL mv - HEATER T/C + HEATER T/C -

CAL

TEST GAS + PROCESS - % O2

TP1	J1
TP1
TP2
TP3
TP4	RED YEL GRN ORG
	RED YEL GRN ORG

TP5

TP6

three times, pauses for three seconds, and

repeats.

1. The last calibration failed alarm acti-

vates when the slope and constant

values calculated are out of range and

the unit reverts to using the previous

calibration values.

2. The cell should be replaced. See para-

graph 9-4i,Cell Replacement, for cell

replacement instructions.

KEYPAD

Alarms

Calib Failed

LOI

37260033

Figure 8-17. Fault 15, Last Calibration Failed

LOI. When Fault 15 is detected, the LOI displays the “Calib Failed” message. Refer to the comments in paragraphs 1 and 2 above.

Rosemount Analytical Inc. A Division of Emerson Process Management

Troubleshooting 8-19

4000 specifications

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Emerson 4000 manual Alarms Calib Failed, Fault 15, Last Calibration Failed

Models: 4000