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This FAQ gives details about the M.CARTRIDGE error which can sometimes occur for Sepam 2000 relays, especially on sites where the Sepam has already been in service for several years or more.
The "M.CARTRIDGE" error appears if Sepam detects a fault condition with the cartridge that is presently installed. Unlike the "CARTRIDGE" and "MAINTENANCE" errors, this error does not indicate a mismatch between the application type in the installed cartridge, or an incorrect configuration of the cards or boards in the rack.
In order to confirm that a faulty cartridge is to blame for this error, the best method is to first obtain a spare cartridge from your local Schneider Electric representative that corresponds with the Application Type of the affected Sepam relay. For example, if the M.CARTRIDGE error has appeared on a Series 6 S26 relay of the "S02" type, then this is the type of spare cartridge that you should order.
Regarding this "M.CARTRIDGE" error only, and referring only to the legacy Sepam 2000 device, Schneider Electric is offering to replace any cartridges affected by this specific error at no cost to the customer.
Once you have obtained your new replacement cartridge, follow the instructions in the user documentation to install it and then power on your Sepam to verify that it is working.
a) if you had a customized Logipam (ladder diagram) file running in the affected cartridge, you should inform your Schneider Electric representative about this prior to ordering the new replacement cartridge. By checking the reference of your cartridge, your representative can determine whether or not Schneider Electric has a copy of your logic on file, or if it must be copied using your existing cartridge.
b) for users running customized Logipam programs, you should also inform your Schneider Electric representative if you have backup copies of your current .SRL files. This will make it easier to reload your existing logic to the new replacement cartridge.
c) for cases where the "NOL" string is displayed in your cartridge identification when it is inserted into the PER2901 reader and you were running a customized ladder diagram, this may indicate that your source file is not saved in the cartridge. In this case, you can either try to recover your logic by referring to archived printouts of the ladder logic, or you can ask your Schneider Electric representative to return the faulty cartridge to the factory in France so that the original logic can be extracted.
To summarize, this error is caused by a fault inside your Sepam 2000 cartridge. The way to resolve it is to replace your cartridge with a new one, and to ensure that any existing settings and ladder diagrams are correctly copied to the replacement cartridge.