Honeywell XNX Technical Manual page 113

XNX Universal Transmitter
Applicable
Warning Description
Sensors
Low Optical
W023 Excel
Sample Signal
Reflex Failure
W024 ECC
Warning
Safety variable
W025 All
fail warning
Section 5 - Warnings/Faults
Frequency of Diag-
Latching / Non-Latching
nostic
XNX polls sensor
every 2 seconds,
Non-latching diagnostic fre-
quency controlled
by sensor
Dependent on
sensor, typically 8
Latching hours; Once fault
is detected: every
15 minutes
Latching 2 seconds
Event History Data
Sensor fault or Check location for external interference or obstructions in the IR path�
warning code Check sensor for dirty windows� Check Excel alignment� Check Beam
(Note 4) Block Low Signal Percentage setting in the transmitter�
0 ECC sensor is nearing end of life� Replace sensor�
Note 3 Contact Honeyewell Analytics Service Department�
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Action For Resolution