FMECA Volume 3: Electronic Circuits Reviewed, as pdf (8.2MB)
Zip file contains pdfs of the circuit diagrams submitted for review (SubA) and the
circuit diagrams after modification to comply with the decisions taken during the review (SubB).
Note there are Rev C and D circuits to add to this, due to changes during compliance verification.
FMECA Volume 5: Software and Firmware (966KB)
FMECA covering firmware and software in the Open Revolution rebreathers and rebreather monitors.
This covers both primary FMECA and also correct by construction features to avoid failures from design or programming errors.