c1 drafted · lead SBSExx-US-50-BE-en-11
- SBSExx-US-50-BE-en-11
sec=11.1.73h=4f10eb927314 - SBSExx-US-50-BE-en-11
sec=h776h=a0cd72becf14
Fault codes › SMA › Sunny Boy Smart Energy 3.8-11.5-US (SBSEx.x-US-50)
Reports backup output AC overvoltage; look at backup power outlet; do: AC connection check, contact manufacturer service.
Failure modes that present as the reported condition, and the tests that tell them apart.
sec=11.1.73 h=4f10eb927314sec=h776 h=a0cd72becf14The manufacturer's own cause and corrective text is not reproduced here.
defined_inc1 drafted · lead SBSExx-US-50-BE-en-11
sec=11.1.73 h=4f10eb927314sec=h776 h=a0cd72becf14reportsc2 drafted · lead Backup output AC overvoltage
sec=h257 h=1166ed5f4ceesec=h776 h=a0cd72becf14affectsc3 drafted · lead Backup power outlet
sec=h257 h=1166ed5f4ceesec=h258 h=70bd6c064910mitigated_byc4 drafted · lead AC connection check
sec=h258 h=70bd6c064910c5 drafted · lead Contact manufacturer service
sec=h778 h=c87e8fc90a2chas_recoveryc6 verified · fact Service required
sec=h777 h=cca77e1e7cd3sec=h778 h=c87e8fc90a2cverified by: review-workflowverified on: 2026-10-23
applies_toc7 drafted · lead Sunny Boy Smart Energy US-50
sec=11.1.73 h=4f10eb927314sec=h776 h=a0cd72becf14