System Signals - gefran 3850T Use And Installation Manual

8.5.2.

System signals

Any controller malfunctions will be signalled using appropriate variables or system alarms, indicating the type of problem
identified in appropriate messages. The table below lists these messages, possible causes and possible remedies to apply.
Error message
The signal from
the probe does not
PROBE FAULT arrive or the signal
level is not the one
expected.
No communica-
COMMUNICATION tion between the
FAULT panel and the I/O
modules.
Warning that
SIMULATION
SIMULATOR mode
ACTIVE
is on.
Free local memory
is lower than the
MEMORY FREE
default limit (free
SPACE WARNING
memory less than
5 MB).
Local memory
MEMORY FULL almost full (less
ERROR than 2 MB of free
memory).
SD CARD NOT The SD card is not
PRESENT present.
Free SD card mem-
ory is lower than
SD FREE SPACE
the default limit
WARNING
(free memory less
than 5 MB).
The SD card mem-
ory is almost full
SD FULL ERROR
(free memory less
than 2 MB).
Warning! The SD card must be put in while the instrument is turned off. Taking out the SD card while the control-
ler is in operation will result in loss of the batch files or datalog under way
80703B_MHW_2850T/3850T_02-2019_ENG
Description
Probe not connected.
Probe signal out of range.
Probe fault.
Communication cable not connected.
No F-GCANs module power.
No I/O module power.
F-GCANs module address incorrect.
Operation with SIMULATOR on.
Archive files in local memory have not
been deleted or moved.
Archive files in local memory have not
been deleted or moved.
The controller is equipped with the
SD Card option but the SD card is not
installed.
The SD card is installed but is not for-
matted or is formatted incorrectly.
Archive files on the SD card have not
been deleted or moved.
Archive files on the SD card have not
been deleted or moved.
Possible causes
8. MAINTENANCE
Possible solutions
Check the connection between the
probe and I/O module
Verify that the type of probe connected
corresponds to that configured in the
controller
Replace the probe
Check the connection between panel
and F-GCANs. Replace the cable if
necessary
Check the F-GCANs module power
(the PWR power LED should be on).
Check I/O module power (the yellow
LED 1 should be on).
Verify the F-GCANs module CAN Bus
address.
Disable SIMULATOR if not required.
Delete or move record archive files.
Delete any excess image files.
Delete or move record archive files.
Delete any excess image files.
Install the SD card.
Format the SD card (FAT32 formatting).
Delete or move record archive files.
Replace the SD card with a new, for-
matted, and empty one.
Delete or move record archive files.
Replace the SD card with a new, for-
matted, and empty one.
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