Honeywell XNX-AM Series, Technical Manual

Page: 125 / 207

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