38User Manual MN040024ENEffective November 2016DX-NET-ETHERNET2-2 field bus connectionEtherNet/IP for variable frequency drive DE1/DC1EATON www.eaton.comRecovering from a failed firmware upgradeIn the event of a failed firmware upgrade due to either acommunications or power failure then take the following steps:x Power cycle the modulex Determine the state of the module• If the ‘EtherNet/IP power up’ sequence observed then previousapplication is still available− The module will continue to operate using the previousversion− EtherNet/IP and Webserver functionality is not effected• If the ‘PBL power up’ sequence followed by the ‘PBL Stage 1:Awaiting application configuration’ then previous application isno longer available− Only TFTP Upgrade functionality if supported− EtherNet/IP and Webserver functionality is no longeroperationalx Repeat the steps defined within ‘Performing Firmware upgrade’Primary bootloader indicator statesPBL power up: the following LED test sequence is performedin parallel:• Network Status Indicator – 1 Hz double flash Amber,• Module Status Indicator – 1 Hz double flash Amber• COMM – 1 Hz double flash Yellow• ERROR – 1 Hz double flash OffPBL Stage 1: Awaiting application configuration• Network Status Indicator – 1 Hz flash Amber• Module Status Indicator – 1 Hz flash Amber• COMM Status Indicator – OFFPBL Stage 2: Receiving application configuration• Network Status Indicator – 1 Hz flash Amber• Module Status Indicator – 1 Hz flash Amber• COMM – Yellow ONPBL Stage 3: Awaiting application data• Network Status Indicator – 1 Hz flash Amber• Module Status Indicator – Green• COMM Status Indicator – solid YellowPBL Stage 4: Receiving application Data• Network Status Indicator – 1 Hz flash Amber• Module Status Indicator – Green• COMM Status Indicator – solid YellowPBL Error: Error occur – reset and retry• Network Status Indicator – 1 Hz flash Amber• Module Status Indicator – 1 Hz flash Amber• Error Status Indicator – solid RED