Oldham iTrans 2, Installation And Operation Manual

Page: 64 / 106

64
Symptom Problem Solution
ground.
“U Or” appears on the
display
4-20 mA signal goes
into over range for
about
5 seconds
before settling at
1mA
Ensure the sensor is working
properly via a second ary gas
detection source and the 4-20
mA is scaled correctly.
Table 8-1 Common Problems
Fault Codes
Fault
Display
Status Bit 4-20 mA Output Description
0.FFF Flashing 1 mA
Zeroing error – Recover after
calibrating
C.FFF Flashing 1 mA
Calibration error – Recover after
calibrating or replacing the sensor
1.FFF Flashing 1 mA SMART sensor error
2.FFF Flashing 1 mA Sensor error
U-Or Flashing 1mA Sensor under-range
U Or Flashing
22mA for ~5 seconds
then settled at 1mA
Sensor over-range
Table 8-2 Fault Codes
Function Codes
Function
Code
LED Display
Description
Status
Bit
Data Area
L L. Low Alarm Set the relay low alarm value
H H. High Alarm Set the relay high alarm value
4 4. Range of 4-20 mA
Set the range of 4-20 mA
output
1 1. Minute Set system time – minute
H h. Hour Set system time – hour
D d. Date Set system time – date
E E. Month Set system time – month
8 8. Year Set system time – year
0 0. Zeroing
C C. Calibration