No Operating System , Boot Loader Waiting, Redundant AC902F
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Check few things,
the resources you are downloading is allocated to AC 900FR ?
and is a redundant resource ?
IP addresses are configured correctly ?
resources allocated properly ?
And as mentioned if both controllers are pinging then call their web server by writing IP addresses in internet explorer and check firmware got updated or not ? If not
What IP addresses are configured for AC 900FR? Eth1 must be control network and Eth2 is for redundancy link in both conroller.
May be try this, remove redundancy link, update firmware of each controller & CI 930F separately via configure tool. Then from web browser check that firmware is updated or not ? if Yes, then connect redundancy link and then download redundant resource. Hope that helps
Also check controllers are not in stop mode from hardware and from resource, there is no relation with this but better to check every corner.