Replacing Devices; Safety Measures When Replacing Devices - Leuze electronic MSI 400 Operating Instructions Manual

11.2

Replacing devices

A critical error in one of the MSI 400 modules will affect the entire network. Therefore, devices that have
critical errors must be quickly repaired or replaced. We recommend keeping replacement MSI 400 module
devices at the ready so that you can reestablish network operation as quickly as possible.

11.2.1 Safety measures when replacing devices

Follow the following safety measures when replacing MSI 400 modules:
• Do not attempt to dismantle or repair the MSI 400 modules. This not only will void warranty claims
against Leuze electronic, but it is also dangerous, because in this case it is not possible to test the ori-
ginal safety functions.
• Place the device back into a condition in which the safety will be ensured.
• Only carry out replacement when the power supply is switched off in order to prevent electric shock or
unexpected behavior from the device.
• In order to enable further use of the system configuration, check the following:
• Is the new module of the same type (same material number) and is the new module error-free after
replacement?
• Was the new module inserted into the same position at which the replaced module was?
• Were all plug connections connected back at the correct location?
• If not, you will need to completely reconfigure the new system and commission it including all of the ne-
cessary tests (see Commissioning [chapter 9]).
NOTICE
Ä After replacement, make sure that no errors are occurring with the new MSI 400 modules.
i
Ä Be sure to carry out a function test before commissioning a replacement module.
Ä When you send in MSI 400 modules for repair, generate a report of your project in MSI.de-
signer and carry out diagnostics; enclose a detailed description of the problem with the
device, and send the MSI 400 modules along with all available information to Leuze elec-
tronic.
Leuze electronic MSI 400
Maintenance
75