N2P Controls Posted April 9, 2017 Report Share Posted April 9, 2017 We have a JZ20-R31 that displays the following message on power up: WDT ERR @ 22. The 24VDC power supply for the Jazz died recently and was just replaced. On powering up the PLC the screen was blank for a few minutes and then the WDT ERR message is displayed on the screen. Can any suggest what this indicates and how to remedy? Thanks heaps. Quote Link to comment Share on other sites More sharing options...
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