Changes for page 15 Fault Troubleshoot

Last modified by Mora Zhou on 2024/12/04 18:12

From 2.2 to 2.1 From 7.1 to 6.1

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edited by Theodore Xu
on 2023/01/07 11:15

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edited by Leo Wei
on 2022/07/29 14:41

Change comment: Update document after refactoring.

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--16 Faulty Troubleshoot
++Hardware Faulty Common Measures

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--PIStudio.WebHome
++PIStudio.Download.2 Hardware.WebHome

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--XWiki.AiXia
++XWiki.admin

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--= **1 Display faulty** =
++= **1 Faulty Display Troubleshooting** =
  The following is mainly talking about the how to judge and treat the HMI when the users come across the faulty issue.
--There are mainly three kinds of most common display failures:
++There are mainly three kinds of most common display failures: 1. Black screen; 2. White screen, and 3. Blurry screen.
--1. Black screen;
--1. White screen,
--1. Blurry screen.
--
  In view of these three failure phenomena, the judgments and solutions are as follow.
--== Black screen ==
++== **1.1 Black Screen** ==
--After the HMI is powered on, the screen is black, and the bepper keeps repeating a beep at a certain frequency, indicating that the power supply is insufficient.
++-After the HMI is powered on, the screen is black, and the bepper keeps repeating a beep at a certain frequency, indicating that the power supply is insufficient. Please use the power supply with Voltage **DC12V~~30V**, Output current **500mA** and above.
--* Please use the power supply with Voltage **DC12V~~30V**, Output current **500mA** and above.
++-After the HMI is powered on, the screen is always black, the beeper does not sound at all and all lights off:
--After the HMI is powered on, the screen is always black, the beeper does not sound at all and all lights off:
++Check whether the power supply wiring is OK, is it the wiring has poor contact or not. And use the multimeter to test whether the terminal head of power supply has 12~~30V DC, pay attention to the positive and negative poles cannot be reversed.
--* Check whether the power supply wiring is OK, is it the wiring has poor contact or not. And use the multimeter to test whether the terminal head of power supply has 12~~30V DC, pay attention to the positive and negative poles cannot be reversed.
++-After the HMI is powered one, the screen can show the LOGO, the beeper beep once, the power light is on, and the screen is turning into black after loading into the project screen:
--After the HMI is powered one, the screen can show the LOGO, the beeper beep once, the power light is on, and the screen is turning into black after loading into the project screen:
++Check whether the project is lost, redownload a normal project. After the HMI is restarted, whether it can back to normal;
--* Check whether the project is lost, redownload a normal project. After the HMI is restarted, whether it can back to normal;
--** Normal download but still black: The underlying file is lost;
--** Cannot download: The hardware flash issue;
++1) Normal download but still black: The underlying file is lost;
--After the HMI is powered on, the screen is always black, the beeper has a beep, and the power light is on:
++2) Cannot download: The hardware flash issue;
--* **Method 1: **Touch the screen see whether it can light on the TCH(touch) light.
--** If the touch light does not turn on, it is mostly a motherboard problem, please replace a normal motherboard.
--** If the touch light is on:
--* It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized.
--** If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--** If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--* **Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--** If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
--** If not, it cannot enter that interface, please replace a normal motherboard;
++-After the HMI is powered on, the screen is always black, the beeper has a beep, and the power light is on:
--After the HMI is power on, the screen is always black, the beeper does not make a beep, and the power light is on:
++**Method 1: **Touch the screen see whether it can light on the TCH(touch) light.
--* **Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--** If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--** If the touch light is on:
--* It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized.
--** If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--** If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--* **Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--** If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
++1) If the touch light does not turn on, it is mostly a motherboard problem, please replace a normal motherboard.
++2) If the touch light is on:
++
++It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized. If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
++
++If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
++
++**Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
++
++1) If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
++
++2) If not, it cannot enter that interface, please replace a normal motherboard;
++
++-After the HMI is power on, the screen is always black, the beeper does not make a beep, and the power light is on:
++
++**Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
++
++1) If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
++
++2) If the touch light is on:
++
++It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized. If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
++
++If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
++
++**Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
++
++1) If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
++
  -After the HMI is power on, the screen is always black, the beeper does not make a beep, and the power, touch and com light all three are light on:
--* **Method 1**: Click on the upper right corner of HMI to see if it can enter the backstage.
--** If yes, it can enter the backstage interface, it means it is a hardware issue, please replace the motherboard;
--** If not, it cannot enter that interface, it means the firmware is lost, please replace the motherboard;
--* **Method 2**: Connect to the PC by a USB-B cable:
--** If it can be recognized USB, it means a hardware problem, please replace the motherboard;
--** If not recognized, it means that the firmware files are missing, please replace the motherboard;
++**Method 1**: Click on the upper right corner of HMI to see if it can enter the backstage.
--== Blank screen (White screen) ==
++1) If yes, it can enter the backstage interface, it means it is a hardware issue, please replace the motherboard;
--Please make sure the voltage used is **DC12V~~30V**, Output current **500mA** Powered by switching power supply and above, and the wiring is correct.
++2) If not, it cannot enter that interface, it means the firmware is lost, please replace the motherboard;
--After the HMI is powered one, the screen can show the LOGO, the beeper beep once, the power light is on, and the screen is turning into blank after loading into the project screen:
++**Method 2**: Connect to the PC by a USB-B cable:
--* Check whether the project is lost, redownload a normal project. After the HMI is restarted, whether it can back to normal;
--** Normal download but still blank: The underlying file is lost;
--** Cannot download: The hardware flash issue;
++1) If it can be recognized USB, it means a hardware problem, please replace the motherboard;
--After the HMI is powered on, the screen is always blank, the beeper has a beep, and the power light is on:
++2) If not recognized, it means that the firmware files are missing, please replace the motherboard;
--* **Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--** If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--** If the touch light is on:
--* It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized.
--** If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--** If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--* **Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--** If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
--** If not, please replace the motherboard;
++== **1.2 Blank Screen (White Screen)** ==
--After the HMI is powered on, the screen is always blank, the beeper does not make a beep, and the power light is on:
++-Please make sure the voltage used is **DC12V~~30V**, Output current **500mA** Powered by switching power supply and above, and the wiring is correct.
--* **Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--** If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--** If the touch light is on:
--* It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized.
--** If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--** If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--* **Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--** If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
--** If not, please replace the motherboard;
++-After the HMI is powered one, the screen can show the LOGO, the beeper beep once, the power light is on, and the screen is turning into blank after loading into the project screen:
--== Blurry screen ==
++Check whether the project is lost, redownload a normal project. After the HMI is restarted, whether it can back to normal;
--Please make sure the voltage used is **DC12V~~30V**, Output current **500mA** Powered by switching power supply and above, and the wiring is correct.
++1) Normal download but still blank: The underlying file is lost;
--After the HMI is powered one, the screen can show the LOGO, the beeper beep once, the power light is on, and the screen is turning into blurred after loading into the project screen:
++2) Cannot download: The hardware flash issue;
--* Check whether the project is lost, redownload a normal project. After the HMI is restarted, whether it can back to normal;
--** Normal download but still blurry: The underlying file is lost;
--** Cannot download: The hardware flash issue;
++-After the HMI is powered on, the screen is always blank, the beeper has a beep, and the power light is on:
--After the HMI is powered on, the screen is always blurred, the beeper has a beep, and the power light is on:
++**Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--* **Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--** If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--** If the touch light is on:
--* It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized.
--** If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--** If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--* **Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--** If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
--** If not, please replace the motherboard;
++1) If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--After the HMI is powered on, the screen is always blurred, the beeper does not make a beep, and the power light is on:
++2) If the touch light is on:
--* **Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--** If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--** If the touch light is on:
--* It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized.
--** If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--** If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--* **Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--** If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
--** If not, please replace the motherboard;
++It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized. If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--= **2 USB faulty** =
++If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--This document is mainly teaching that how to locate the problem if the HMI cannot be detected when connect to PC by the USB cable. Totally there are 3 aspects need to consider: PC USB port, HMI USB port, USB cable.
++**Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--== PC USB port ==
++1) If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
--See whether the problem is from PC Port, if change another one USB port, can it be OK?
++2) If not, please replace the motherboard;
--== USB cable ==
++-After the HMI is powered on, the screen is always blank, the beeper does not make a beep, and the power light is on:
--See whether the problem is from cable, if change another one cable, can it be OK?
++**Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--== HMI USB-B port ==
++1) If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--See whether the problem just happen on the single one HMI, if at the same condition of PC and cable, is it able to detect the others HMI?
++2) If the touch light is on:
--* See whether Device Manager can detect the USB.
--* Run the PIStudio as Administrator.
++It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized. If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
--== When Happen Issue ==
++If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
--First time usage and it happened: It probably the pseudo welding problem.
++**Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
--Already used for a while, USB is OK and fine before: Maybe it is caused by interference from the site, check all the devices whether are well grounded or not.
++1) If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
--= **3 Touch faulty** =
++2) If not, please replace the motherboard;
--This document is mainly teaching that how to locate the problem if the HMI cannot exit the calibration screen. Totally there are 3 aspects need to consider: calibrate tool, calibration settings, touch board.
++== **1.3 Blurry Screen** ==
--== Calibrate rool ==
++-Please make sure the voltage used is **DC12V~~30V**, Output current **500mA** Powered by switching power supply and above, and the wiring is correct.
--Please do not use the finger to calibrate the screen, it is the most imprecise method to do so. Please use the pen or screwdriver to calibrate it. When finish the five coordinates, please notice whether there is a pop-up tips on the middle screen. If it is succeed, it will show green tips, while not, it will show a red one. Please refer to the following video:
++-After the HMI is powered one, the screen can show the LOGO, the beeper beep once, the power light is on, and the screen is turning into blurred after loading into the project screen:
--[[**Video Link**>>https://drive.google.com/file/d/1diec_1Pa3ZbaKRY8YCm6L7iO8lJBU4I7/view?usp=sharing]]
++Check whether the project is lost, redownload a normal project. After the HMI is restarted, whether it can back to normal;
--== Calibration settings ==
++1) Normal download but still blurry: The underlying file is lost;
++2) Cannot download: The hardware flash issue;
--*  Is the HMI already installed on the counter?
++-After the HMI is powered on, the screen is always blurred, the beeper has a beep, and the power light is on:
--    ~: If yes, please loosen the HMI and try to calibrate it again.
++**Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
--*  Please check whether the protective film of HMI is abnormal or bulging.
++1) If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
--    ~: If yes, please remove the protective film and try the calibration again.
++2) If the touch light is on:
--* Please ask if the TCH light of HMI is abnormally lit up without touching HMI?
--* Please use the download tool of the software to remove the calibration, please try to use the tip object to calibrate the HMI accurately.
++It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized. If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
++If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
++
++**Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
++
++1) If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
++
++2) If not, please replace the motherboard;
++
++-After the HMI is powered on, the screen is always blurred, the beeper does not make a beep, and the power light is on:
++
++**Method 1**: Touch the screen see whether it can light on the TCH(touch) light.
++
++1) If the touch light does not turn on, it is mostly a motherboard problem, please replace with a normal motherboard;
++
++2) If the touch light is on:
++
++It may be the lcd problem, please confirm whether the contact between the lcd and the motherboard is intact, and whether the lcd cable is oxidized. If it is confirmed that the contact is good and not oxidized, please try with a new lcd screen;
++
++If the replacement of the touch screen still does not work, it means the motherboard is faulty, please replace with a normal motherboard.
++
++**Method 2: **Click on the upper right corner of HMI to see if it can enter the backstage.
++
++1) If yes, it can enter the backstage interface, please check whether the LCD is in good contact, whether the cable is oxidized, or try to replace the normal LCD;
++
++2) If not, please replace the motherboard;
++
++= **2 Faulty USB Troubleshooting** =
++
++This document is mainly teaching that how to locate the problem if the HMI cannot be detected when connect to PC by the USB cable. Totally there are 3 aspects need to consider: PC USB port, HMI USB port, USB cable.
++
++== **2.1 PC USB Port** ==
++
++-See whether the problem is from PC Port, if change another one USB port, can it be OK?
++
++== **2.2 USB Cable** ==
++
++-See whether the problem is from cable, if change another one cable, can it be OK?
++
++== **2.3 HMI USB-B Port** ==
++
++-See whether the problem just happen on the single one HMI, if at the same condition of PC and cable, is it able to detect the others HMI?
++
++1) See whether Device Manager can detect the USB.
++
++2) Run the PIStudio as Administrator.
++
++== **2.4 When Happen Issue** ==
++
++-First time usage and it happened: It probably the pseudo welding problem.
++
++-Already used for a while, USB is OK and fine before: Maybe it is caused by interference from the site, check all the devices whether are well grounded or not.
++
++= **3 Faulty Touch Troubleshooting** =
++
++This document is mainly teaching that how to locate the problem if the HMI cannot exit the calibration screen. Totally there are 3 aspects need to consider: calibrate tool, calibration settings, touch board.
++
++== **3.1 Calibrate Tool** ==
++
++Please do not use the finger to calibrate the screen, it is the most imprecise method to do so. Please use the pen or screwdriver to calibrate it. When finish the five coordinates, please notice whether there is a pop-up tips on the middle screen. If it is succeed, it will show green tips, while not, it will show a red one. Please refer to the following video:
++
++[[**Video Link**>>https://drive.google.com/file/d/1diec_1Pa3ZbaKRY8YCm6L7iO8lJBU4I7/view?usp=sharing]]
++
++== **3.2 Calibration Settings** ==
++
++Connect the HMI to PC Download tool. Please try to delete the exists calibration file and try to calibrate again. See whether it can help or not.
++
  (% style="text-align:center" %)
--[[image:calibrate.png||height="428" width="700" class="img-thumbnail"]]
++[[image:calibrate.png||class="img-thumbnail" height="428" width="700"]]
--== Touch board ==
++== **3.3 Touch Board** ==
  -If HMI is on the cabinet, please uninstall it from cabinet and try again. If lock too tight on the cabinet, it will influent the touch operations.

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