User guide
128
Maintenance and troubleshooting
Message 
displayed
Meaning Recommended action
"Memory card 
read"
The file with the saved data is corrupted.
 → Use another file.
«File open» The file with the saved data cannot be read:
• either because the two devices are not 
compatible.
• or, because the data saving failed.
To check the compatibility between the 
devices:
 → save the data of both devices (on 
two different memory cards),
 → check that the file names are the 
same.
 → if the file names are different, enter 
the configuration by hand.
«Incompatible 
module»
You are trying to transfer data saved from a module 
to a module of different type (e.g. the data saved 
from a pH module to a conductivity module).
 → Load data to a module of the same 
type.
9.3.8.  Messages during datalogging (icon 
X
 displayed)
The error messages associated to the icon
X
, can be generated during datalogging (see chap. 8.10.18).
Message displayed in the system 
log
Signification
Recommended action
"M0:MC read only" The card is write protected.
Authorize writing on the card by 
pushing the load lever.
"M0:MC failure" Problem on the memory card.
•  Make sure there is a memory card in 
the device.
•  Format the memory card.
• If the problem persists, change the 
memory card.
"M0:MC full" The memory card is full.
• Insert an empty memory card or 
delete data on the current card.
• If the problem persists, format the 
card using a PC.
•  If the problem persists, change the 
memory card type.
"M0:MC data loss" The card was removed when the 
datalogger was "ON"
Data is lost.
Always deactivate the datalogger 
before removing the memory card from 
the device (see chap. 8.10.18).
9.3.9.  Miscellaneous messages
Message displayed in the system log Meaning
Recommended action
"M0:Power on" The device is switched on.
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Type 8619
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