# PS only reaches 28v when ramp is applied

**URL:** <https://deeptalk.lambda.ai/t/ps-only-reaches-28v-when-ramp-is-applied/4750>\
**Category:** Technical Help\
**Created:** [September 9, 2025, 1:47pm UTC](https://deeptalk.lambda.ai/t/ps-only-reaches-28v-when-ramp-is-applied/4750 "2025-09-09T13:47:58Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![dannyelloko20](https://avatars.discourse-cdn.com/v4/letter/d/5fc32e/32.png) [@dannyelloko20](https://deeptalk.lambda.ai/u/dannyelloko20)\
**Post date:** [September 9, 2025, 1:47pm UTC](https://deeptalk.lambda.ai/t/ps-only-reaches-28v-when-ramp-is-applied/4750/1 "2025-09-09T13:47:58Z")

</div>

SW (TS and LV) sets PS to 28v but only is able to reach 26v when ramp is set to 10. I can play with the values and get to 28v but why? Load should read 0.2A (CL to 0.5A).

When ramp is off, voltage levels drop to .03v and no current draw.

Checked remote sensing and no issues there. Ideas?