ABB Endura AZ series User Manual page 79

Endura AZ series integral and remote transmitter
Combustion oxygen monitor
Byte 3 Description
Bit #7 Cell offset approaching limit
Bit #6 Cell factor approaching limit
Bit #5 Accuracy check stability failure
Bit #4 Calibration stability failure
Bit #3 Test gas 2 accuracy check in progress
Bit #2 Test gas 1 accuracy check in progress
Bit #1 Test gas 2 calibration in progress
Bit #0 Test gas 1 calibration in progress
Byte 4 Description
Bit #7 Option NV memory failure
Bit #6 Main NV memory failure
Bit #5 Diffuser response time slow
Bit #4 No response from sensor
Bit #3 Sensor impedance warning
Bit #2 Slow cell response
Bit #1 Calibration offset failure
Bit #0 Span calibration factor failure
Byte 5 Description
Bit #7 Internal communications error
Bit #6 Current output 2 in test mode
Bit #5 Current output 1 in test mode
Bit #4 In factory test mode
Bit #3 In demo mode
Bit #2 In configuration mode
Bit #1 In simulation mode
Bit #0 Ambient temperature too high / low
Table 7.6 Additional Transmitter Status Information – Command 48 (Continued)
IM/AZ20E–EN Rev. F
7 HART®-Protocol
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