Siemens Maxum II Manual

# Text Description Action
2540 ? I2C Message Too Short on
%4
SNECON I2C driver: An I2C message
received by the SNECON is too short to
be valid.
Contact Customer Support.
2541 + I2C FPGA Queue Full on
%4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Replace the SNECON.
2542 ? I2C FPGA Write Before
End on %4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Replace the SNECON.
2543 ? I2C FPGA Write After End
on %4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Replace the SNECON.
2544 ? I2C FPGA Message Too
Short on %4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Replace the SNECON.
2545 ? I2C FPGA Invalid Check‐
sum on %4
SNECON I2C driver: SNECON on-board
communication error. Known to hap‐
pen very infrequently with SNECON I2C
FPGA rev 23 or lower (SNECON revision
3.0 hardware only).
Ignore the alarm. If occurring frequent‐
ly, replace the SNECON.
2546 ? I2C FPGA Invalid Size on
%4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
2547 ! I2C Heartbeat Timeout Ex‐
pired; Resetting Controller
SNECON I2C driver: A SNECON PIC
was not responding and was reset (SNE‐
CON revision 3.0 hardware only).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
2549 ? I2C Heartbeat Counter Mis‐
match on %4
SNECON I2C driver: One or more mes‐
sages were lost on the on-board commu‐
nication (SNECON rev 3.0 hardware on‐
ly).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
2550 ? I2C Invalid Message Sta‐
tus on %4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
2551 ? I2C Internal Error; Invalid
Block Structure ID on %4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
2552 ? I2C Internal Error; Invalid
Block Offset on %4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
2553 ? I2C Internal Error; Invalid
Block ID on %4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
2554 ? I2C Internal Error; New
Block Offset Non-Zero on
%4
SNECON I2C driver: SNECON firmware
internal error (SNECON revision 3.0
hardware only).
Reset the analyzer.
Reload the SNECON OS software.
Replace the SNECON.
General Maintenance and Troubleshooting
4.6 Alarm Codes, Descriptions, and Suggested Actions
Maxum edition II Analyzer General Maintenance
64 Manual, August 2018, A5E42019842001

Siemens Maxum II Specifications

General

Category	Gas Chromatograph
Measurement Principle	Gas Chromatography
Communication Protocols	Modbus, Ethernet, Profibus
Operating Temperature	-20°C to 55°C
Power Supply	24 VDC or 100-240 VAC
Mounting	rack mount
Applications	Refinery, chemical, petrochemical, natural gas
Detectors	Thermal Conductivity Detector (TCD), Flame Ionization Detector (FID)
Sample Inlets	Multiple
Dimensions	Varies by configuration (e.g., 19" rack mount)