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How to Restore “Master Code” to Default Value for H/E Series Controller?
2021-06-21
No. T003008-EN

Serial NO. : T003008-EN

Date of Editing : 2016-05-10

Questions :  How to Restore “Master Code” to Default Value for H/E Series Controller?

Problem Solving :

H Series Controller: AR-721/727/747/757/723/321/327HV3
Use 【ISP Tools】to Reset Master Code to Default Code 123456
Note: The Operation can only reset Master Code, don’t reset other Parameter Setting

  1. Select Communication Port Number
  2. Select correct Mode Code
  3. Input correct Node ID Number(If could not make sure Node ID Number, please input Number 255)
  4. Press【Reset Master Code (72xH)】, then Master Code will be restored to Default 123456

Old 829E-V3 / 821EF-V9
When Controller is connected , Click Icon【821E/829E Setting】on 701Server

  1. Select correct Node ID Number 

          ( Press Key # via keypad of AR-829E-V3,the current Node ID number will be displayed on LCD Screen)

  1. Press【Read From Controller】

  2. The current Master Code XXXXXX will be read from Controller, then directly input new Master Code or input default 123456, Click “ Write To Controller” to save.

※ If Controller could not connect with computer, we could reset Master Code under Standalone Mode,

Note: the operation will not only Reset Master Code, but also Restore all Parameter setting to default Factory setting.

  1. Power off Controller

  2. Pull the Battery cable off the connector

  3. Take a tweezers and clip on both ends of the component BC10 (close to CPU) for a few seconds.

     (The location of BC10 is on the left corner of CPU Socket)

New EV5 Series Controller: 881/837/82xEv5/727Ev5/725Ev2/721Ev2/327HV5

 

Method1: When Controller is connected , Click Icon【881EF/ 725EV2 Parameters 】 on 701Server

  1. Select correct Node ID Number

          ( For EV5 LCD Controller ,Press Key # via keypad,the current Node ID number will be displayed on LCD Screen)

  1. Press【Read From Controller】
  2. The current Master Code XXXXXX will be read from Controller, then directly input new Master Code or input default 123456,
  3. Click “ Write To Controller” to save.

Method2:If EV5 Series Controller is connected via TCP/IP interface, we could also reset Master Controller via Http Browser

Method3:If Controller could not connect with computer, we could reset Master Code under Standalone Mode, but make sure to upgrade Firmware After V3.5 Version

After Power on, Press “Reset Button” for few seconds till Red LED blink, then you can remove your finger,

After operation as above, you will hear the long reminder sounds, and wait until the sounds disappear then reset the power of the controller, the device will restore factory setting.

Note: the operation will not only Reset Master Code, but also Restore all Parameter setting to default Factory setting.

      

AR-725E-V2                                 AR-829E-V5                                 AR-727H-V5

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