XNX Universal Transmitter Quick Start Guide
75
Fault Description
Appli-
cable
Sensors
Latching/
Non-Latch-
ing
Frequencyof
Diagnostic
EventHistoryData ActionForResolution
F127 Beam Block Excel Non-latching
XNX polls sen-
sor every 2 sec-
onds, diagnos-
tic frequency
controlled by
sensor
Sensor fault or warning code
(Note 4)
Check location for external interference or
obstructions in the IR path. Check sensor
for dirty windows. Check Excel alignment.
F128
Sensor Installation
Not Complete
Excel Non-latching
XNX polls sen-
sor every 2 sec-
onds, diagnos-
tic frequency
controlled by
sensor
Sensor fault or warning code
(Note 4)
Check Excel alignment. Perform a zero
calibration.
F130
Option Communi-
cation Failure
All Non-latching 2 seconds
Option module ID: 0=None,
1=Foundation Fieldbus, 2=Mod-
bus, 3=Relay
Check that installed option matches the
option indicated in the XNX part number.
If the option has been changed, the new
option must be set up in Information-
>Transmitter Data as described in the
manual.
F133 Not used
F143
Stabilization
Timeout
All Latching 2 seconds Warm up time (seconds x100)
Cycle power, contact Honeywell Analytics’
Service Department if problem persists.
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