Status
Description
4-20mA
output
Analog
output
Fault
relay
LED
indicator
Test rate
N2
Wrong ambient
temperature
4mA
2v
Close
4Hz
blinking
orange
Every 30msec
N3
4-20mA circuit
failure
0 mA
2v
Close
4Hz
blinking
orange
Every 30msec
N4
Fault relay
failure
4mA
2v
Open
4Hz
blinking
orange
Every 30msec
N5
Accessory relay
failure
4mA
2v
Open
4Hz
blinking
orange
Every 30msec
N6
Alarm relay
failure
4mA
2v
Open
4Hz
blinking
orange
Every 30msec
N7
Heater failure
4mA
2v
Close
4Hz
blinking
orange
Every 30msec
N8
BIT failure
2mA
0v
Open
4Hz
blinking
orange
Every BIT
N9
Damaged BIT
lamp
2mA
0v
Open
4Hz
blinking
orange
Every BIT
N11
FOV failure
4mA
2v
Close
1Hz
blinking
green
Every 30msec
N12
Missed ADC
reading
4mA
2v
Close
1Hz
blinking
green
Every 30msec
N13
Analog output
failure
4mA
0v
Close
4Hz
blinking
orange
Every 30msec
N18
FOV warning
4mA
2v
Close
1Hz
blinking
green
Every 30msec
B0
Automatic BIT
4mA
2v
Close
1Hz
blinking
green
Every BIT
M0
Manual BIT
4mA
2v
Close
1Hz
blinking
green
Every BIT
E0
End of BIT
4mA
2v
Close
1Hz
blinking
green
Every BIT
Reference data
Reference Manual
June 2021
00809-1500-4975
34
Emerson.com