The cause into Monday's fire north at Eden Valley was the result of a fault in an electrical water pump, police have revealed.
SA Police were called in to investigate the blaze which burnt 3.3 hectares of scrub and grass at Keynes Hill Road, further reporting the fire as non-suspicious.
Nine regional fire trucks, carrying about 35 fire personnel and farm units worked to extinguish the blaze from the ground, while an aircraft was brought in and making four drops.
No property was under threat.
The alarm was raised about about 12.45pm on November 12.
CFS had issued a 'Watch and Act' message at 1.10pm, with the blaze under control just before 2pm.
Meanwhile, five major fires erupted in SA on Monday keeping the state on high alert, especially as high temperatures and wind conditions were predicted.
A CFS media spokesperson shared how fires at Port Lincoln and White Hut, on the Yorke Peninsula, were of great concern, fortunately both since been contained.
For more details about making a 'fire plan' or what to do in the event of a fire, visit www.cfs.go.au.