Honeywell XNX-AM Series Technical Manual page 125

XNX Universal Transmitter
Applicable
Warning Description
Sensors
Sensor Inter- Optima,
nal Failure Excel
W015
Sensor has an
internal soft- Excel
ware error
Sensor Instal-
W016 lation Not Excel
Complete
General Diag- Optima,
W018
nostics Excel
Sensor Inter-
W019 nal 5V Power Excel
Supply Defect
Forced mA
W020 All
Timeout
Forced Relay
W021 All
Timeout
mV Sensor
W022 Calibration mV
Needed
Warnings/Faults
Frequency of Diag-
Latching / Non-Latching
nostic
XNX polls sensor
every 2 seconds,
Latching and Non-
diagnostic fre-
latching
quency controlled
by sensor
XNX polls sensor
every 2 seconds,
Latching diagnostic fre-
quency controlled
by sensor
XNX polls sensor
every 2 seconds,
Non-latching diagnostic fre-
quency controlled
by sensor
XNX polls sensor
every 2 seconds,
Non-latching diagnostic fre-
quency controlled
by sensor
XNX polls sensor
every 2 seconds,
Non-latching diagnostic fre-
quency controlled
by sensor
Latching 1 second
Latching 1 second
When user
Latching changes sensor
type or gas
Event History Data
Sensor fault or
warning code Remove and return to Honeywell for repair.
(Note 4)
Sensor fault or
warning code Cycle Excel power and confirm "fault cleared." If not, replace sensor.
(Note 4)
Sensor fault or
warning code Check Excel alignment. Perform a zero calibration.
(Note 4)
Sensor fault or
Check sensor connections, check sensor operation, fit replacement sen-
warning code
sor, replace personalty board.
(Note 4)
Sensor fault or
warning code Remove and return to Honeywell for repair.
(Note 4)
Indicates that a forced mA condition was left on for more than 15
Forced mA minutes. No action required as mA operation will be returned to normal
automatically.
Forced
relay status, Indicates that a forced relay condition was left on for more than 15
1=Alarm1 on, minutes. No action required as relay operation will be returned to normal
2=Alarm2 on, automatically.
4=Fault on
1=new sensor, Generated after accepting a new mV sensor or changing the mV sensor
2=changed type or changing the mV gas selection. This is a warning to user that a
personality, span calibration should be performed. If a span calibration is not per-
3=changed gas formed, the default calibration values will be used.
123
Action For Resolution