Linguistic

Level Definition

Severity

VL

Very minor effect.

L

Small effect.-Product does not require repair.

M

Moderate effect.-Product requires repair.

H

Product performance is severely affected.

VH

System is inoperable. System operation is suspended.

Occurrence

VL

Failure does not seem reasonable.

L

Fairly few failures.

M

Infrequent failures.

H

Frequent failures.

VH

Failure is almost unavoidable.

Detection

VL

Controls probably will not detect.

L

Controls may not detect.

M

Controls are able to detect.

H

Controls are able to detect and have high impact.

VH

Controls will detect and have very high impact.