Romain Grosjean says Haas is investigating the front wing failure which curtailed his first morning with the VF16-H in Barcelona but expects to return this afternoon.
Grosjean completed 13 laps on the first morning with the American's team's debuting 2016 car but prompted a red flag when his front wing failed on the pit straight. He returned the car to the garage and did not emerge from the pits again before the one-hour lunch break, though he expects to see some more track time before Monday's session is over.
Asked if Haas knew what caused the failure, he replied: "I think they have maybe got a first clue but still investigating to make sure that doesn't happen again. We've seen it with another team a few years ago but it's nothing too bad.
"It may delay the day a little bit but hopefully we can go out this afternoon and do more mileage for the car, which is important."
Explaining that he had no warning of the failure, he went on to joke: "[The failure] went quite smoothly. Took off nicely, landed nicely! Then I thought 'hmm, something is not right'!"
Grosjean says there have been positive signs from his first day behind the wheel of the Ferrari-powered Haas car.
"It was pretty good. We had a bit of a delayed start today but then we went out on track and could do a few laps. We had a small front wing failure before the lunch break and I'm sure it will all be sorted earlier rather than later, so that's good. The feeling in the car is good, so that's very important for the guys to see what the driver was thinking.
"The car is feeling nice, it's feeling good, so that's very important. There's a lot of work we need to achieve but so far I am pleased with what we did this morning."