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Troubleshooting/index.html
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</li>
<li class="toctree-l1 current"><a class="reference internal current" href="./">Troubleshooting</a>
<ul class="current">
<li class="toctree-l2"><a class="reference internal" href="#tip-shorted-warning">Tip Shorted warning</a>
</li>
<li class="toctree-l2"><a class="reference internal" href="#high-tip-temp-reading-when-the-tip-is-cool">High tip temp reading when the tip is cool</a>
<ul>
<li class="toctree-l3"><a class="reference internal" href="#rtip-is-out-of-spec">RTip is out of spec</a>
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But it is helpful to do some basic diagnostics first just in case the issue is easily fixed.</p>
<p>The <strong>VAST</strong> majority of issues are poor soldering or cold solder joints.
If you can open up your iron, give it a good look at all the connection points, and use another iron to reflow any suspicious ones, this can fix most issues.</p>
<h2 id="tip-shorted-warning">Tip Shorted warning</h2>
<p>If you are powering up a device that supports tip resistance detection (TS101 and Pinecilv2 as of present), the firmware checks the readings of the raw tip resistance and sorts these into three "bins". <code>8 ohm tips</code>, <code>6.2 ohm tips</code> and <code>tip-shorted</code>. The tip resistance is used when negotiating USB-PD and in thermal calculations.
The <code>tip-shorted</code> option is selected if your tip is measured to be abnormally small. This could indicate a failed driver mosfet or a failed tip.</p>
<p>When this warning is shown; heating will be disabled to protect from damage. As trying to heat a shorted tip can damage the iron itself.</p>
<p>It is best to take out your tip and manually measure and verify the tip's resistance. It should be 6-8 ohms (depending on tip type). When measuring resistances this small some multimeters can struggle. If you have access to a current limited bench power supply, you can try doing a 4 wire measurement by measuring the voltage drop on the tip while applying a known current. <code>(R=V/I)</code>.</p>
<p>If the tip measures correctly you may have a damaged driver mosfet; it would be ideal to open your iron and test the mosfet is operating correctly.
If after both of these checks everything looks as expected, feel free to open a discussion on IronOS to talk about the issue (Or for Pinecil the community chat can be a much faster response).</p>
<h2 id="high-tip-temp-reading-when-the-tip-is-cool">High tip temp reading when the tip is cool</h2>
<p>If you are finding the tip is reading high; the first fields to check in the Debug menu are <code>RTip</code> and <code>CHan</code>.</p>
<ul>