In Austria, Fernando Alonso failed to start out the Saturday dash occasion after his automobile shut down on the grid.
On the time, the workforce pinpointed a failure of the ECU, which is an ordinary provide element or SSC utilized by all groups.
Nonetheless, following additional investigations again at Enstone this week, it was concluded that the difficulty lay extra on the workforce facet, and thus couldn’t be blamed immediately on the usual half. The workforce now is aware of that the ECU was not receiving energy.
“At that time limit, we thought it was an ECU failure,” Alpine workforce principal Otmar Szafnauer advised Autosport.
“We took it again to the manufacturing unit, and we have been in a position to replicate the issue. And it wasn’t the ECU. It is a field that powers the ECU.
“And so the ECU was high-quality, however the energy field that powers the ECU wasn’t high-quality. And when you do not energy it, it seems to be just like the ECU is lifeless. All indications have been that the ECU had failed, however we did not know then that the ability field wasn’t working. And it’s an Alpine half.”
Esteban Ocon, Alpine A522
Photograph by: Andy Hone / Motorsport Images
In the meantime, the gas pump problem that precipitated Esteban Ocon to retire at Silverstone, and which was repeated on the Frenchman’s automobile after the chequered flag within the Pink Bull Ring dash, was associated to the SSC excessive strain pump provided to all groups by Bosch.
Alpine has now traced the fault to a repair that the workforce itself needed to provoke earlier this 12 months after a number of groups skilled issues with the usual pump, and particularly connection to it.
“The difficulty on the gas pump is that we had a few early failures on the dyno,” Szafnauer defined.
“Due to this fact, we tried to repair these issues ourselves, because the Bosch customary problem wasn’t working in an F1 set up, as a result of it is a highway automobile half.
“A number of groups had this drawback, and us and Ferrari bought dispensation from the FIA to do our personal fixes. Due to this fact we went our personal route to repair the Bosch drawback.
“And our personal repair labored high-quality for the primary 9 races. We had no issues on the dyno, or on the monitor. Then one thing occurred, in all probability we noticed some various kinds of loadings for no matter cause. They usually began to fail.
“Bosch additionally improved from the start, they’ve made adjustments to enhance connection. So a number of the groups used the Bosch enchancment, and two of the groups used their very own enchancment.
“We’re engaged on a brand new repair ourselves for France, and on the similar time exploring what Bosch have just lately accomplished to repair their preliminary drawback.”