XNX Universal Transmitter Quick Start Guide
70
12 Fault Messages
Fault Description
Appli-
cable
Sensors
Latching/
Non-Latch-
ing
Frequencyof
Diagnostic
EventHistoryData ActionForResolution
F101
Unexpected Sensor
Reset
All Non-latching
ECC & mV:
main loop x2;
Optima & Excel:
2 seconds
Note 2. Optima or Excel: Sen-
sor fault or warning code (Note
4)
If repeated, check supply voltage, check
cable loop impedance, check terminal
connections
F103
XNX Temperature
Error
All Non-latching 2 seconds XNX temperature (Celsius)
Check location for heat sources. Fit with
sunshade or other protection. Change the
transmitter’s location. Check temperature
in Info->Transmitter Status to ensure tem-
perature is being measured properly.
F104
XNX 24 VDC Sup-
ply Bad
All Non-latching 2 seconds XNX supply voltage x1000
Check the wire of the 24V power supply
to the transmitter and the power supply
operation.
F105
3.3VDC Sup-
ply Bad on XNX,
personality board,
or option board
All Non-latching 2 seconds
1=XNX,
2=Personality board,
3=Option board
Check Transmitter Status
F106
XNX Real Time
Clock Failure
All Non-latching 2 seconds
Total seconds since Jan 1,
1970
Either clock was incorrectly set or the
battery for the clock has failed. Note:
the clock will stop running on January 1,
2036.
F107
XNX Internal Fail-
ure (RAM, ROM,
EEPROM, Opcode)
All
Non-latching
except for EE-
PROM error
At power up
and 8 hours
Note 3
Contact Honeywell Analytics’ Service
Department.
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