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XNX Universal Transmitter
Section 5 - Warnings/Faults
114
Fault Description
Appli-
cable
Sensors
Latching / Non-
Latching
Frequency of
Diagnostic
Event History Data Action For Resolution
F112
Sensor 24 VDC
Supply Bad
Optima,
Excel
Non-latching
XNX polls sensor
every 2 seconds,
diagnostic fre-
quency controlled
by sensor
Sensor fault or warn-
ing code (Note 4)
Check the wire of the 24V power supply to the transmitter and the power
supply operation. Also check the wiring between the transmitter and the
Optima/Excel.
F113
Sensor Internal
5V Power Supply
Defect
Excel Non-latching
XNX polls sensor
every 2 seconds,
diagnostic fre-
quency controlled
by sensor
Sensor fault or warn-
ing code (Note 4)
Remove and return to Honeywell for repair.
F114
Sensor Internal
Lamp Issue
Optima Latching
XNX polls sensor
every 2 seconds,
diagnostic fre-
quency controlled
by sensor
Sensor fault or warn-
ing code (Note 4)
Remove and return to Honeywell for repair.
F116
Sensor Internal
Failure
Optima,
Excel
Non-latching
XNX polls sensor
every 2 seconds,
diagnostic fre-
quency controlled
by sensor
Sensor fault or warn-
ing code (Note 4)
Remove and return to Honeywell for repair.
F117
Sensor Loop
Failure, (Sensor
is losing/has lost
mA output signal.
These are detected
by Optima and
Excel, F161 is de-
tected by XNX and
will usually occur
before F117.)
Optima,
Excel
Latching
XNX polls sensor
every 2 seconds,
diagnostic fre-
quency controlled
by sensor
Sensor fault or warn-
ing code (Note 4)
Check that supply voltage is stable. Check wiring between Optima/Excel
and the transmitter. Check loop impedance of wiring. Check that switch-
es S3 and S4 are set correctly. If the switch settings need to be changed,
power down the transmitter before changing the switch settings. Once
the problem has been resolved, a Soft Reset must be performed for the
Calibration menu to clear F117.
F118
Sensor Real Time
Clock issue
Excel Non-latching
XNX polls sensor
every 2 seconds,
diagnostic con-
trolled by sensor
Sensor fault or warn-
ing code (Note 4)
Reset “date and time” in Excel, recycle Excel power, and conrm “date
and time. If not retained, remove and return to Honeywell for repair.
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