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<li class="toctree-l2"><a class="reference internal" href="#0x00000001-psram-bad">0x00000001 PSRAM bad</a>
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<li class="toctree-l2"><a class="reference internal" href="#0x00000002-heap-too-small">0x00000002 Heap too small</a>
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<p>This page lists the possible error codes, their meaning and possible solutions.</p>
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<p>The effective error codes can be found <a href="https://github.com/jomjol/AI-on-the-edge-device/blob/rolling/code/components/jomjol_helper/Helper.h">here</a>.</p>
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<h1 id="critical-errors">Critical Errors</h1>
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<p>Those Errors make the normal operation of the device impossible.
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Most likely they are caused by a hardware issue!</p>
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<h2 id="0x00000001-psram-bad"><code>0x00000001</code> PSRAM bad</h2>
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<p>Your device most likely has no PSRAM at all or it is too small (needs to have at least 4 MBytes)!
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See <a href="../Hardware-Compatibility">Hardware Compatibility</a>.</p>
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<p>Usually the log shows something like this:</p>
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<pre><code>psram: PSRAM ID read error: 0xffffffff
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cpu_start: Failed to init external RAM!
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</code></pre>
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<h2 id="0x00000002-heap-too-small"><code>0x00000002</code> Heap too small</h2>
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<p>The firmware failed to allocate enough memory. This most likely is a consequential error of a bad PSRAM!</p>
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<h2 id="0x00000004-cam-bad"><code>0x00000004</code> Cam bad</h2>
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<p>The attached camera can not be initialized.
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This usually is because on of the following reasons:
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- The camera is not supported, see <a href="../Hardware-Compatibility">Hardware Compatibility</a>
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- The camera is not attached properly -> Try to remove and attach it again. Make sure you move the black part enough into the socket!
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- The camera or the camera cable is damaged</p>
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<h1 id="non-critical-errors">Non-Critical Errors</h1>
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<p>Those Errors can be caused by an error during initialization. It is possible that the error has no impact at all or that a reboot solves it.</p>
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<h2 id="0x00000100-cam-framebuffer-bad"><code>0x00000100</code> Cam Framebuffer bad</h2>
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<p>The firmware was unable to initialize the Camera Framebuffer.
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The firmware will continue to work, but other consequential error might arise.
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A reboot of the device might help.</p>
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<h2 id="0x00000200-ntp-failed"><code>0x00000200</code> NTP failed</h2>
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<p>The firmware failed to get the world time from an NTP server. The firmware will continue to work, but has a wrong time.</p>
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