sb displaying on H250FDN Hayward heater

[Normp]

I just replaced my display as it was not working. It fired right up and after 10 minutes error sb came up and stopped working. Do i need to replace the fuses in my fuse panel and is my display now damaged.

 

[JamesW]

https://hayward-pool-assets.com/assets/documents/pools/pdf/manuals/UniversalH-seriesLowNOx-HxxxFDOwners.pdf

http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf

https://hayward-pool-assets.com/assets/documents/pools/pdf/troubleshooting-guides/universal-h-series-consumer-troubleshooting-guide.pdf

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