4.6.13 Alarms 2500 - 2577 Access Bus Driver Errors
GCP Alarm Descriptions 2500 - 2577 Access Bus Driver Errors
The following tables list the alarm number (#), type (+ information, ? warning, ! error) alarm
text, description, and actions.
# Text Description Action
2500 ? I2C Premature Stop on %4 SNECON I2C driver: A stop condition
was detected in the middle of a transfer
(SNECON hardware revision 2.x).
Contact Customer Support.
2501 ? I2C No Acknowledge (Mod‐
ule Disconnected?) on %4
SNECON I2C driver: No module re‐
sponding to the I2C address. A module
was disconnected or is no longer re‐
sponding. This can also happen if the
PIC-index is erroneously set to 0 as this
is a way to bypass the I2C address reso‐
lution table and directly address the I2C
bus.
Reset the analyzer.
2502 ? I2C NS486 Timeout Over‐
flow on %4
SNECON I2C driver: An I2C commu‐
nication timeout condition was detected
(SNECON hardware revision 2.x).
Contact Customer Support.
2503 ? I2C Address is Odd on %4 SNECON I2C driver: Illegal I2C address. Reset the analyzer. Reload SNE‐
CON OS software.
2505 ? I2C Driver Not Initialized SNECON I2C driver: An attempt was
made to communicate to the I2C driver
before it was initialized.
Reset the analyzer.
Reload SNECON OS and APP soft‐
ware.
2508 ? I2C Improper Acknowl‐
edge on %4
SNECON I2C driver: No module re‐
sponding to the I2C address. A module
was disconnected or is no longer re‐
sponding (SNECON hardware revision
2.x).
Contact Customer Support.
2509 ? I2C Invalid Message
Checksum Received on %4
SNECON I2C driver: A message was re‐
ceived with an invalid checksum.
(SNECON hardware revision 2.x): Ver‐
ify that the application does not use a
hardware address that does not exist.
2510 ? I2C Module Not Found: %4 SNECON I2C driver: No module of this
'module type' and 'location id' is listed in
the address table.
Reset the analyzer.
Verify that the application does not use
a hardware address that does not exist.
2511 ? I2C Invalid Opcode Re‐
ceived from %4
SNECON I2C driver: The message re‐
ceived corresponds to an unrecognized
opcode.
Reset the analyzer.
Reload SNECON OS and APP soft‐
ware. Replace the SNECON.
2512 ? I2C Error Reading ISR
Queue
SNECON I2C driver: An error was detec‐
ted reading a communication queue
(SNECON hardware revision 2.x).
Reset the analyzer.
2513 ? I2C Message Too Big on
%4
SNECON I2C driver: The I2C message
received is too large and is not valid.
Contact Customer Support.
2515 ! I2C Address Table Full SNECON I2C driver: No free addresses
on the I2C bus. There is a limit of 120
addresses per bus (each PIC occupies
one address).
Reset the analyzer.
General Maintenance and Troubleshooting
4.6 Alarm Codes, Descriptions, and Suggested Actions
Maxum edition II Analyzer General Maintenance
62 Manual, August 2018, A5E42019842001