Honeywell XNX-AM Series, Technical Manual

Page: 132 / 207

XNX Universal Transmitter
Warnings/Faults 130
Fault Description
Appli-
cable
Sensors
Latching / Non-
Latching
Frequency of
Diagnostic
Event History Data Action For Resolution
F149
Internal 4-20 mA
monitoring circuit
communication
failure
All Non-latching 3.366 seconds 0 Contact Honeywell Analytics’ Service Department.
F150
mA Output Monitor
Communications
Watchdog Error
All Non-latching 138 us
Communication error
count
Contact Honeywell Analytics’ Service Department.
F151
Sensor Module
Type Changed
ECC Non-latching 2 seconds
Module type: 0=None,
1=ECC, 2=mV,
3=Excel, 4=Optima,
5=Generic mA
For ECC: Perform Accept New Sensor function, if problem persists
contact Honeywell Analytics’ Service Department. For others, contact
Honeywell Analytics’ Service Department.
F152
Option Module
Configuration Error
All Latching
Only at powerup
or every 125 ms
when no option
board detected Option module ID:
0=None, 1=Founda-
tion Fieldbus, 2=Mod-
bus, 3=Relay
Confirm option properly installed, reconfigure unit.
F153
Signal/Data mis-
match error on IR
personality
Optima,
Excel
Non-latching 2 seconds Digital sensor reading
Check wiring to Optima/Excel. In particular, check the white wire be-
tween XnX and Optima/Excel. Note: power must be cycled to reset F153
after correcting the cause.
F154
mA Input Diagnos-
tic Failure Optima,
Excel
Latching
5 minutes after
power up and
then every 8
hours
Input mA Contact Honeywell Analytics’ Service Department.
F155
Generic mA Sensor
Type Error Generic
mA
Non-latching 2 seconds Input mA
Indicates that mA input from sensor is less than 3 mA. Check wiring
between XNX and sensor. Also check the switches S3 and S4 are set
correctly. If the switch settings need to be change, power down the
transmitter before changing the switch settings. If wiring and switches
are okay, replace sensor.
F156
mV Current Control
Failure
mV Non-latching Main loop x16
constant current A/D
input mV Check that correct mV sensor type is selected. Check wiring between
XNX and sensor. If sensor type and wiring are okay, replace sensor.
F157 Sensor Drift Fault ECC, mV Non-latching 2 seconds Current baseline Perform zero calibration. If problem persists, replace sensor.
F158
Sensor/Personal-
ity Part Number
mismatch
All Non-latching
"ECC & mV: main
loop x2;
Optima & Excel: 2
seconds"
Entire personality
part # Check that installed option matches the option indicated in the transmit-
ter part number, check wiring to Optima/Excel.