Michell Instruments XTP501 User Manual page 20

OPERATION
Status Message Table
Message
(Trigger Condition)
% O (or target gas) out of range
2
AL1 ON
AL2 ON
Comp i/p signal error
(input < 3.6 mA or > 21 mA)
Ext sens signal error
(input < 3.6 mA or > 21 mA)
Cell T not stable
(not within ±0.5ºC of set point)
Cell T sensor error
(cell temp measures <-50 or >+80ºC)
Press sensor error
(pressure sensor < 750 or >1250 mbar)
PCB temp too high
(PCB temp > cell temp set point)
12
XTP501 & XTC501 User's Manual
Light Guide
ORANGE1 ON (app s/w only)
ORANGE2 ON (app s/w only)
RED FLASH
(priority2)
RED FLASH
(priority2)
RED ON
(priority1)
RED ON
(priority1)
RED ON
(priority1)
RED ON
(priority1)
99976 Issue 1.1, May 2020
N/A