Cause
One or more devices with outdated firmware have been detected in your cascade. As
a result, the devices with the indicated MAC addresses cannot be reached.
Solution
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Note down the MAC addresses of the affected devices.
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Remove the affected chargers from the cascade and connect them directly to the network.
You can find the MAC address on the device nameplate.
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Update each device individually to the latest firmware shown in Control
Cockpit. To do this, follow the instructions in chapter Updating CHG 70N(S)-C charger.
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Reassemble the cascade.