Fnirsi FNB38 Manual Download Page 29

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8.Why does the fast charge protocol automatically detect and
display all red?

Answer: During the test, please do not connect the load. If possible,

test several charging heads. If all the charging heads are all red, and

confirm

that

these

charging

heads

support

fast

charging

(QC2.0/QC3.0/FCP/SCP/ Any protocol in AFC/PD), then it is suspected to

be a PCB circuit problem, please check whether the D+D- part is

short-circuited, soldered, etc.

Summary of Contents for FNB38

Page 1: ...1 FNB38 manual V1 2...

Page 2: ...o close the startup screen 2 Add the setting to turn off the CC pulldown 3 Changed the judgment logic during fast charge identification 4 In v1 20 version some testers D and D are displayed as 0V this...

Page 3: ...harge identification page 9 5 Curve display page 10 6 Cable measurement page 10 7 Fast charge detection and trigger page 11 7 1 Fast charge protocol detection 11 7 2QC2 0 trigger 12 7 3 QC3 0 trigger...

Page 4: ...lease read the contents carefully and strictly observe all warnings and precautions Pay attention to safety matters 1 Do not connect a power supply exceeding 24V to the tester 2 The USB A input port o...

Page 5: ...mW 0 5 2 Load Equivalent Internal Resistance 0 9999 9 0 1m 0 5 2 D D voltage 0 3 3V 0 01V 1 0 2 Equipment temperature 1 1 2 3 1 1 2 4 capacity 0 99999mAh 0 0001mAh for reference energy used 0 9999 99W...

Page 6: ...indicates the current direction This page changes the display orientation Instructions 1 key Short press Turn the page 2 OK key Long press Switch the screen display direction 2 Capacity power consump...

Page 7: ...es to be recorded Cap Ele Limit is OFF by default and can be set by the user Thres Indicates the recording current threshold When the Auto Rec Switch is ON Auto is displayed This value is meaningful t...

Page 8: ...itch to the capacity power consumption list Figure 4 Instructions 1 key 2 Long press Switch to the capacity power consumption observation page see Figure 3 3 key Short press switch observation group 4...

Page 9: ...tions of the setting method 4 Fast charge identification page see Figure 5 Figure 5 description This page is used to observe the current charging protocol D D voltage Wake Indicates automatic wake up...

Page 10: ...offline recording curve of voltage and current Instructions 1 key Short press page turning 2 Long press Decrease increase time base Only pages in Figures 6 and 7 3 OK key Short press screenshot curve...

Page 11: ...adjusted to about 1A the system automatically calculates the cable internal resistance 7 Fast charge detection and trigger page see Figure 10 Figure 10 description Fast charge detection fast charge t...

Page 12: ...the testing process may burn the electrical appliances Note Do not connect any electrical appliances during the testing process otherwise the high voltage triggered during the testing process may bur...

Page 13: ...nstructions 1 key Short press Decrease increase QC3 0 trigger voltage 2 OK key Long press Exit the current page Still triggering 7 4 Huawei FCP trigger Select Huawei FCP and press OK to enter the Huaw...

Page 14: ...Instructions 1 key Short press Decrease increase SCP trigger voltage 2 OK key Long press Exit the current page At the same time exit the SCP trigger state 7 6 Samsung AFC trigger Select Samsung AFC pr...

Page 15: ...up but no Caps are received the voltage option will not be displayed Figure 17 PD2 0 Instructions 1 key Short press Select PD trigger voltage 2 OK key Long press Exit the current page PD3 0 Instructio...

Page 16: ...ly judges and switches to the corresponding CC line when entering If it has been entered successfully and then HID power supply is removed then the CC line connected to the charger is unplugged and in...

Page 17: ...this page shows some parsed CC lines Information such as supplier ID maximum voltage maximum current length etc Short press button to switch to page 2 Figure 21 this page displays the unparsed origina...

Page 18: ...cast will be resent The new power protocol is not triggered successfully Please try to unplug and replug It is always 5V when no device is connected to avoid high voltage damage to mobile phones that...

Page 19: ...e unique serial number of the device Run XXXXXX Represents the number of device runs Instructions 1 key Short press switch setting items 2 OK key Short press The setting window pops up Long press Exit...

Page 20: ...ot which corresponds to which operational block Long press Effective when the green dots are NO YES key short press when the green dot is on the largest grid change the parameter Automatic recording s...

Page 21: ...on the largest grid change the parameter Capacity power consumption record limit When OFF the capacity power consumption is not limited by the recording time When ON the recording time is up and the...

Page 22: ...ots are NO YES key short press when the green dot is on the largest grid change the parameter Automatic wake up current When the current changes this value it exits the standby state OK key short pres...

Page 23: ...ty power consumption record value OK key Short press switch the green dot position Where is the green dot which corresponds to which operable block Long press Valid when the green dots are NO YES Rest...

Page 24: ...24 2 When FNB38 is off press and hold the OK key to access the HID USB interface Shows connected device model device firmware version 3 Click OPEN and select Upgrade Firmware...

Page 25: ...25 4 Click START to start upgrading the firmware After the upgrade is completed FNB38 will restart automatically...

Page 26: ...protocol exceeding 3A You can use the PD monitoring function of the tester If the monitoring result is that a higher power is triggered but the actual power is far from being reached it is because the...

Page 27: ...the mobile phone FNB38 has a function called PD protocol conversion which can convert the QC protocol to the PD protocol to charge the PD device Once again do not directly trigger the charging of the...

Page 28: ...micro interface for power supply 6 Why is the capacity displayed on the tester different from the battery capacity Answer To measure the capacity of the battery you need a formula to convert it out fo...

Page 29: ...t connect the load If possible test several charging heads If all the charging heads are all red and confirm that these charging heads support fast charging QC2 0 QC3 0 FCP SCP Any protocol in AFC PD...

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