A short circuit occurred in the rover 's arm as it was moving . It had been transferring rock samples into a sample storage tank . However an electrical failure then caused the rover to stop operations . Nasa engineers in California are now investigating the problem . If it cannot be solved the probe will begin operations again in a few minutes .
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 .