A short circuit occurred in the rover 's arm as it was moving . It had been transferring rock powder into a sample analysis container . The canister is designed to be sealed, but when that seal failed, there were no other options for keeping out dust and dirt from getting inside.
A short circuit occurred in the rover 's arm as it was moving . It had been transferring rock powder into a sample analysis container . However an electrical problem then caused the rover to stop operations . Nasa engineers in California are now investigating the problem . If it can be solved the rover should begin operations again in a few days .