MikroTik CRS226-24G-2S+RM Repair Instructions

MikroTik CRS226-24G-2S+RM Repair Instructions

Cloud router switch crs226-24g-2s+ series

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Repair instruction
Published January 5, 2016

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Table of Contents
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Summarization of Contents

Cloud Router Switch Series List
Device Disassembly Guide
Step-by-step instructions for safely disassembling the hardware.
Routerboard Power On Failures
Initial Power Problem Diagnosis
Identifying the initial area to check for power issues.
Troubleshooting Power Input Failure
Steps to diagnose and fix issues with the main power input connector.
Troubleshooting POE_IN Power
Steps to diagnose and fix issues when using POE_IN power.
Troubleshooting 3.3V Rail Failure
Steps to diagnose and fix issues with the 3.3V voltage rail.
Troubleshooting 1.2V Rail Failure
Steps to diagnose and fix issues with the 1.2V voltage rail.
Routerboard Boot Failures
Netinstall Firmware Installation Issue
Diagnosing firmware installation issues with Netinstall.
Unreachable Board with LEDs On
Diagnosing issues when board is powered but unreachable.
Ethernet Port Problems
Ethernet Port Malfunction
Troubleshooting steps for non-functional Ethernet ports (Eth1-Eth24).
SFP+ Port Malfunction
Troubleshooting steps for SFP+1 and SFP+2 port issues.

Table of Contents