# Text Description Action
4300 + CAN: Unrecognized card This flag is set when an uninitialized card
is detected on the bus after the init se‐
quence is complete. The most com‐
mon cause of this condition is a Node/SN
list that does not precisely match the card
mix on the bus either due to missing en‐
tries or typographical errors.
Verify the node list in the database for
an exact match of all serial numbers.
Make sure that no unused CAN card is
present in the system.
If this is associated with a 'CAN: Node
x abnormal' error, replace the corre‐
sponding card.
4301
- 4320
+ CAN: Node [1 - 20] abnor‐
mal
CAN card I/O malfunction that causes in‐
itialization failure, loss of heartbeat re‐
sponses from a CAN card or loss of com‐
munication with one or more channels of
the node.
Verify the node list in the database for
an exact match of all serial numbers.
If this is associated with a 'CAN: Node
x abnormal' error, replace the corre‐
sponding card.
4.6.21 Alarms 4525 - 5220 Advance TC
GCP Alarm Descriptions 4525 - 5220 Advance TC
The following tables list the alarm number (#), type (+ information, ? warning, ! error) alarm
text, description, and actions.
# Text Description Action
4525 ! AD Failure on %4 Advance Adapter Temperature Control‐
ler PIC: The Advance Adapter tempera‐
ture A/D converter is not generating data
points within the prescribed time interval.
Reset the analyzer.
Replace the Advance Adapter.
4526 ! Over Temp Shutdown Pow‐
er Supply Failure on %4
Advance Adapter Temperature Control‐
ler PIC: The power supply used for over‐
temp shutdown is not working properly.
Replace the Advance Adapter.
4557 ? Setpoint Changed follow‐
ing a change of Max Temp
%4
Advance Adapter Temperature Control‐
ler PIC: The SETPOINT AO value was
modified internally as a result of the SET‐
POINT_MAX AO value set to a value low‐
er than the SETPOINT value.
Set the SETPOINT_MAX value first,
then set the setpoint value.
4599 ! Over Temp Shutdown on
%4
Advance Adapter Temperature Control‐
ler PIC: The Over-Temp Shutdown func‐
tion is active, the heater cannot be turned
on. The overtemp shutdown condition in‐
dicates that the temperature reached the
absolute limit.
Check for:
A temperature setpoint too high for the
allowed T-rating.
A defective temperature probe.
A defective Advance Adapter.
A defective (shorted) SSR.
General Maintenance and Troubleshooting
4.6 Alarm Codes, Descriptions, and Suggested Actions
Maxum edition II Analyzer General Maintenance
Manual, August 2018, A5E42019842001 79
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