Instruction Manual
IB-106-340 Rev. 2.4
April, 2001
Rosemount Analytical Inc. A Division of Emerson Process Management Troubleshooting 7-15
Oxymitter 4000
DIAGNOSTIC
ALARMS
TEST
POINTS
HEATERT/C
HEATER
O2 CELL
CALIBRATION
CALIBRATION RECOMMENDED
O2 CELL mV +
O2 CELL mv -
HEATERT/C +
HEATERT/C -
INC INC
DEC DEC
HIGH
GAS
LOW
GAS
CAL
TEST GAS +
PROCESS -
% O2
SW2
TP1 J1
TP2
TP3
RED
YEL
GRN
ORG
TP4
TP5
TP6
ON
22220043
Figure 7-12. Fault 12, EEPROM Corrupt
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 occ ur if the EEPROM is
changed for a later version. At power
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 whil e the unit is
running, there is a hardware problem
on the microprocessor board.
4. If cycling the power does not c lear the
alarm, see paragraph 6-5b, Electronic
Assembly Replacement.
7