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Appendix 5: Sensor Error Definitions
Sensor Error byte is as follows:
Bit
Description
0 (LSB)
Over Range: 1=fail, 0=normal
1
MAX: 1=fail, 0=normal
2
Sensor Failure: 1=fail, 0=normal
If Sensor = PID
Failure = Lamp Alarm
Else if Sensor = LEL
Failure = Off
Else
Failure (General)
3
High limit: 1=fail, 0=normal
4
Low limit: 1=fail, 0=normal
5
STEL limit: 1=fail, 0=normal
6
TWA limit: 1=fail, 0=normal
7 (MSB)
Drift: 1=fail, 0=normal
FMC2000 User's Guide
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