and descriptions available.
Location
(Hex/Decimal)
Variable Name Description
Access
00/00 Flags3
Various flags (1=true, 0=false)
bit 0 – sensor is at operating temperature.
bit 1 – Over/under Flag for tuning
temperature
S2
bit 2 – inject cal gas active.
bit 3 – Auto Cal is occurring
S2
bit 4 – Auto Verify is occurring
S2
bit 5 – in a menu
S2
bit 6 – No limit msg.
S2
bit 7 – calibrate or verify is not
permitted.
S2
Read only
01/01 Inf_mess_flag
System and error message flags (1=true, 0 =
false)
bit 0 – No Exception
S2
, Future use
IQ
bit 1 – Future use
bit 2 – Future use
bit 3 – Future use
bit 4 – Power Down Detected
bit 5 – Watchdog Failure
bit 6 – Detector B Fault
IQ
bit 7 – Detector A Fault
IQ
bit 8 – Combustble cal error
bit 9 – Methane cal error
bit 10 – Warming up
bit 11 – RTC Not Running
IQ
bit 12 – Box Under Temp
IQ
bit 13 – Box Over Temp
IQ
bit 14 – Furnace Circuit Open
IQ
bit 15 – Furnace Over Temp
IQ
bit 16 – Temp Rise Failure
bit 17 – Cell is Over Temp
bit 18 – Zero Gas Range Error
bit 19 – Span Gas Range Error
bit 20 – Primary Calibration
bit 21 – Memory is Corrupted
bit 22 – Excessive Cal Error
bit 23 – Calibration Required
bit 24 – Thermocouple Failure
bit 25 – T/C Circuit Failure
bit 26 – Cal Verify Aborted
bit 27 – Calibration Aborted
bit 28 - System Verifying Cal
bit 29 - System Calibrating
bit 30 – Auto Verify Pending
bit 31 – Auto Cal Pending
Read only