Emerson Process Management IB106-340 instruction manual Fault 12, Eeprom Corrupt

Oxymitter 4000

	HEATER T/C
DIAGNOSTIC	HEATER	SW2
ALARMS	O2 CELL	ON
	CALIBRATION

CALIBRATION RECOMMENDED

Instruction Manual

IB-106-340 Rev. 2.4

April, 2001

l. Fault 12, EEPROM Corrupt

The O2 CELL LED flashes four times,

pauses for three seconds, and repeats

(Figure 7-12).

1. This alarm can occur if the EEPROM is

changed for a later version. At power

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 TP2 TP3 TP4

TP5 TP6

J1 RED YEL GRN ORG

22220043

	up, the EEPROM is not updated.
2.	To correct this problem, power down
	and then restore power. The alarm
	should clear.
3.	If the alarm occurs while the unit is
	running, there is a hardware problem
	on the microprocessor board.
4.	If cycling the power does not clear the
	alarm, see paragraph 6-5b,Electronic
	Assembly Replacement.

Figure 7-12. Fault 12, EEPROM Corrupt

7

Rosemount Analytical Inc. A Division of Emerson Process Management Troubleshooting 7-15