Instruction Manual

IB-106-340 Rev. 3.0

December 2003

 

HEATER T/C

 

DIAGNOSTIC

HEATER

SW2

ALARMS

O2 CELL

ON

 

 

CALIBRATION

 

CALIBRATION RECOMMENDED

Oxymitter 4000

d.Fault 4, A/D Comm Error

Membrane Keypad. When Fault 4 is de- tected, the HEATER T/C LED flashes four times, pauses for three seconds, and re- peats (Figure 8-6).

1.Call the factory for assistance.

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

KEYPAD

LOI. When Fault 4 is detected, the LOI displays the “ADC Error” message.

1. Call the factory for assistance.

Alarms

ADC Error

LOI

37260022

Figure 8-6. Fault 4, A/D Comm Error

8-8 Troubleshooting

Rosemount Analytical Inc. A Division of Emerson Process Management