MikroTik CRS226-24G-2S+IN Repair Instructions
  1. Manuals
  2. Brands
  3. MikroTik Manuals
  4. Switch
  5. CRS226-24G-2S+IN
  6. Repair instructions

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

Cloud router switch crs226-24g-2s+ series
Hide thumbs
Table of Contents

Advertisement

Quick Links

Repair instruction
Published January 5, 2016

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CRS226-24G-2S+IN and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for MikroTik CRS226-24G-2S+IN

Summary of Contents for MikroTik CRS226-24G-2S+IN

  • Page 1 Repair instruction Published January 5, 2016...

  • Page 2: Table Of Contents

    Problems with ether ports....................16 1. Ethernet port J1000 (Eth1-Eth24) does not work..............16 2. SFP+1 or SFP+2 does not work....................19 Temperature and Voltage monitor or LCD does not work..........21 Console does not work.....................22 Latest Checking procedure for over-voltage damage available at www.mikrotik.com...

  • Page 3: List Of Cloud Router Switch Crs226-24G-2S+ Series

    List of Cloud Router Switch CRS226-24G-2S+ series CRS226-24G-2S+IN CRS226-24G-2S+RM List of Cloud Router Switch CRS226-24G-2S+ series...

  • Page 4: Disassembling Information

    Disassembling information Disassembling information 1. Step: use PH2 screw driver to loose backside screws, take off cover. 2. step: take off cover carefully, pay a tension to LCD connector. Push up both side of LCD connector from slot with “-” screwdriver as shown in next pictures 3.

  • Page 5: Block Diagram Of Cloud Router Switch Crs210-8G-2S+ Series

    Block diagram of Cloud Router Switch CRS210-8G-2S+ series...

  • Page 6: Routerboard Does Not Power On

    Routerboard does not power on There no signs of any LED activity 1. Find potential problem area RouterBOARD does not turn on when one of the power is disconnected. check Which voltage is switched off, Power IN ( 10 – 28V) , 3.3V or 1.2V. Routerboard does not power on...

  • Page 7: If Power_In Failed

    2. If Power_IN Failed 1. When Power supply connected to Power jack J1, 1.1 check 10 – 28V output on power jack J1 pin#1, if OK, go to next chapter, if not, follow recommendations: • try different power supply, if did not help, go to next bullet Routerboard does not power on...
  • Page 8 • measure if there is short circuit between GND and J1 Pin#1, if do, change C74, if did not help, go to next bullet Capacitor 1uF 10% 100V X7R 1206 CL31B105KCHSNNE Samsung Semiconductor Europe GmbH Capacitor 1uF 10% 100V X7R 1206 GRM31CR72A105KA01L Murata Manufacturing Co.
  • Page 9 2. When Power supply connected to POE_IN. 2.1 check 10 – 28V input of D5, if OK, go to next chapter, if not, follow recommendations: • try change Schottky Diode D5, if does not help, board unrepairable. Diode Schottky 60V 3A SMB B360B Lite-On Semiconductor corporation Diode Schottky 60V 3A DO-214AA SMB...
  • Page 10 • measure if there is short circuit on C14, C15, if do, change C14, C15, if did not help, go to next bullet Capacitor 10nF 10% 500V X7R 1206 CL31B103KGFNNNF Samsung Semiconductor Europe GmbH Capacitor 10nF 10% 500V X7R 1206 CL31B103KGFNNNE Samsung Semiconductor Europe GmbH Capacitor 10nF 10% 200V X7R 1206...

  • Page 11: If 3V3 Failed

    3. If 3V3 Failed Problem area on top layer: • try change Q1, if did not help, go to next bullet. Transistor MOSFET P-Ch -60V -4.5A 90mOhm SO-8 P9006EVG Niko Semiconductor Co. Ltd. Transistor MOSFET P-Ch -60V -4A 100mOhm 3W SO-8 AO4441 Alpha &...

  • Page 12: If 1V2 Failed

    • try change R34, if did not help, go to next bullet. Resistor 10R 1% 1206 RC1206FR-0710RL Yageo Corporation Resistor 10R 1% 1206 MCR18EZHF10R0 ROHM CO., LTD. Resistor 10R 1% 1206 CRCW1206 BC 10R0 TK 100 1% Vishay Intertechnology, Inc. Resistor 10R 1% 1206 RC1206FR-1010RL Yageo Corporation...
  • Page 13 • try change L1, if did not help, go to next bullet. Inductor 10uH 7.5A 28.2mOhm 12.9x13.8x5.0mm SMD T&R BCIHP1350-100M Bao Cheng Electronics Co.,Ltd., Inductor 10uH, 9A, 25.5mohm, 13.5x13.9x5.9mm SRP1250-100M Bourns Electronics (Taiwan) Ltd. [J.W.Miller] Inductor 10uH 20%, 9A, 25.5mohm, 13x14.2x5.0mm, Tape&Reel SDB1350MT100 Viking Tech Corporation •...

  • Page 14: Routerboard Does Not Boot

    Routerboard does not boot Problem area on top layer: 1. If Netinstall can see the board, but can not install it • try change RAM Flash U200, if did not help, go to next bullet DDR2 SDRAM 512Mbit DDR2-800 32Mx16bit BGA-84 0+85C T&R W9751G6KB-25 Winbond Electronics Corp.

  • Page 15: If Board Leds Turn On, Board Is Unreachable Through Lan Or Sfp+ Ports And Console Shows No Output

    • try change CPU chip U100, if did not help, board unrepairable VIVO,24 GE ports + 2x10GE/FHL websmart,L2 managed, L2+ managed GE Switch , Au, C-temp QCA8519-AC2C Qualcomm Atheros Technology Ltd. If source of problem is U300 or U400 board is unrepairable. 2.

  • Page 16: Problems With Ether Ports

    • try change Y900, if did not help, go to next bullet Crystal 25MHz 20ppm 10pF -20+70 3.2x2.5 FL2500121 PSE Technology Corporation Crystal 25MHz 15ppm 10pF -10+75 3.2x2.5 SMD NX3225SA-25.000000MHZ Nihon Dempa Kogyo Co., Ltd. Crystal 25MHz 20ppm 10pF -20+70 3.2x2.5 NXK25.000AE10F-BK7-2 NSK Jenjaan Quartek Corporation Crystal 25MHz 20ppm 10pF -20+70 3.2x2.5...
  • Page 17 Problem area on bottom layer: • If there no 3V3 output on FB1002, FB1102, FB1202 on top layer try change it, if did not help, go to next bullet Ferrite Bead 120 Ohm 2.5A 0603 CB03YTYH121 Viking Tech Corporation Ferrite Bead 120 Ohm 3A 0603 BLM18SG121TN1D Murata Manufacturing Co.
  • Page 18 • try change C1080, C1083, C1084 on bottom layer, if did not help, go to next bullet Capacitor 10nF 10% 100V X7R 0603 CL10B103KC8NNNC Samsung Semiconductor Europe GmbH Capacitor 10nF 10% 100V X7R 0603 06031C103KAT2A  AVX Corporation Capacitor 10nF 10% 100V X7R 0603 GCM188R72A103KA37D Murata Electronics Capacitor 10nF 10% 100V X7R 0603...

  • Page 19: Sfp+1 Or Sfp+2 Does Not Work

    • try change J1000, J1100, J1200 on top layer, if did not help, board unrepairable RJ45 2x4 w/oLED w/Shield TH w/oEMI PRJ-4200002NL Prosper Electronics & Ceptor Labs RJ45 2x4 w/oLED w/Shield TH w/oEMI 415AE44AG1C00A13 CHANT SINCERE CO., LTD. RJ45 2x4 w/oLED w/Shield TH w/oEMI PJ-D4-FDBH-FANNN-1 RJ45 2x4 w/oLED w/Shield TH w/oEMI DW-918-26...
  • Page 20 • try change FB2303 on top layer, if did not help, go to next bullet PO4501NT Ferrite Bead 90 Ohm 9A 1812 4mOhm design code P04501NT FBMA-11-453215-900A90T King Core Electronics Inc. Ferrite Bead 125 Ohm 8A 1812 HI1812V101R-10 Laird technologies [Steward] •...

  • Page 21: Temperature And Voltage Monitor Or Lcd Does Not Work

    Temperature and Voltage monitor or LCD does not work Problem area on top layer: • try change U402 on top layer, if did not help, go to next bullet Touch screen controller Serial 4-wire Internal reference QFN-16 ZT2046Q ZillTek Technology Corp Touch screen controller Serial 4-wire Internal reference QFN-16 AUR3840GQR Auramicro Co., Ltd.

  • Page 22: Console Does Not Work

    Console does not work • try change U900 on top layer, if did not help, go to next bullet 3v to 5.5V RS-232 LINE Driver/Receiver (lead free) MAX3243CPWRG4 Texas Instruments RS232 3Dr/5Rec 3/5V MAX3243CUI Maxim Integrated Products, Inc. IC 3DRVR/5RCVR RS232 3V 28-TSSOP ICL3243CVZ Intersil 3V to 5.5V RS-232 LINE Driver/Receiver (lead free) SP3243EBCY-L/TR...

This manual is also suitable for:

Crs226-24g-2s+rm

Table of Contents