1. تعارف
The S866 LCD Display Meter is a versatile control panel designed for electric bicycles, compatible with 24V, 36V, and 48V systems. It provides essential riding data, allows for control of various e-bike functions, and features a clear, backlit display for visibility in various conditions. This manual will guide you through the installation, operation, and maintenance of your S866 display.

شڪل 1.1: سامهون view of the S866 LCD display meter, showing speed, battery, and trip information.
2. سيٽ اپ ۽ تنصيب
The S866 LCD Display Meter is designed for easy installation on handlebars with a diameter of 22.2mm. Ensure your e-bike controller uses communication protocol No. 2 for compatibility.
2.1 پيڪيج مواد
- S866 LCD Display Meter
- وڌندڙ خط
- Waterproof Connector Cable
2.2 تنصيب جا مرحلا
- Secure the mounting bracket to your bicycle's handlebar (22.2mm diameter) using appropriate tools.
- Slide the S866 LCD Display Meter onto the bracket until it clicks into place.
- Connect the display's waterproof plug to the corresponding port on your e-bike controller. Ensure the connection is firm and secure.
- Verify that your controller uses communication protocol No. 2. This display is only compatible with this protocol.

Figure 2.1: Diagram illustrating the S866 LCD display dimensions, bracket diameter (approx. 22.2mm), line length (approx. 21cm), waterproof grade (IP65), and communication protocol (No. 2).

Figure 2.2: The S866 LCD display mounted on an electric bicycle handlebar, demonstrating its compact size and clear visibility.
3. آپريٽنگ هدايتون
The S866 display provides various functions and information. Familiarize yourself with the buttons and display areas for optimal use.

Figure 3.1: Detailed diagram of the S866 LCD display panel, labeling buttons and display areas with corresponding functions.
3.1 بٽڻ جا ڪم
- + بٽڻ: Up button, used to increase values or assist levels.
- پاور بٽڻ: Power on/off button, also used to switch information.
- - بٽڻ: Down button, used to decrease values or assist levels.
3.2 بنيادي آپريشن
- پاور آن / آف: رکو طاقت button to power on. Hold it again to power off. If the e-bike is not used for more than 10 minutes, the display will automatically turn off (hibernation mode).
- عام انٽرفيس: رکو طاقت button to enter the normal interface.
3.3 ترقي يافته آپريشن

Figure 3.2: Instructions for operating the S866 LCD display, including headlight control, assist level changes, 6km/h push mode, and multi-function area navigation.
- هيڊ لائٽ ڪنٽرول: رکو + button to turn on the backlight and headlight simultaneously. Hold the + button again to turn them off.
- Change Assist Level: کي دٻايو + or - button to increase or decrease assist levels. Level 1 is the lowest, Level 5 is the highest. Level 0 disables PAS mode. The display returns to the default assist level each time it powers on.
- 6km/h Push Mode: رکو - button to enter 6km/h push mode, which moves the vehicle forward at a stable speed (approx. 6km/h). This is useful when pushing the vehicle. Release the button to exit this mode.
- Multi-function Area: کي دٻايو طاقت button to switch between different information displayed in the multi-function area: ODO (Odometer), TRIP (Trip Distance), VOL (Voltage), TIME (Ride Time), and back to ODO.
4. Parameter Setting Mode
This is an advanced function. It is advised not to modify parameters unless you fully understand their implications, as incorrect settings can cause malfunction. Please read these instructions carefully before modifying and note down previous parameter values so you can restore them if needed.
Under the normal interface, press the + ۽ - buttons simultaneously to enter parameter setting mode. The first screen shows P01. Press the طاقت button to switch to the next parameter, and press the + or - buttons to increase or decrease the value of each parameter. Press + ۽ - ٻيهر هن موڊ کي ختم ڪرڻ لاء.
In this mode, there are a total of 20 parameters (P01-P20):

Figure 4.1: Parameter settings P01-P05 for the S866 LCD display, including backlight brightness, metric change, battery voltage, hibernate mode, and assist levels.
- P01: پٺاڻ جي روشني (1-lowest, 3-highest)
- P02: Change metric (0: KM; 1: MILE)
- P03: Select battery voltage (24V/36V/48V/60V, 36V by default)
- P04: Hibernate mode time (from 1 to 60 minutes, 0: never enter this mode)
- P05: Total assist levels (0: 3 levels; 1: 5 levels)

Figure 4.2: Parameter settings P06-P10 for the S866 LCD display, including wheel size, magnet number, speed limit, zero start, and driving mode selection.
- P06: Wheel size in inch (step: 0.1)
- P07: Number of magnets for speed calculation (range: 1-255)
- P08: Speed limit (range: 0-100km/h. This value is always in km/h even if the metric changed from km to mile.)
- P09: Zero speed start (0: zero stat; 1: Non zero start - means need to provide vehicle with initial speed then turn throttle will activate motor)
- P10: Driving mode selection (0: Only assist mode; 1: Only electric mode; 2: Both mode)

Figure 4.3: Parameter settings P11-P20 for the S866 LCD display, including assist sensitivity, starting power, disc type, current limit, low voltage protection, ODO reset, cruise mode, speed ratio, assist level 0, and protocol selection.
- P11: Assist sensitivity (range 1-24, sets the delay between pedaling and motor start; smaller value means the motor starts working after less pedal movement)
- P12: Assist starting power (range: 1-5, sets the starting power of the motor; bigger value means higher starting power)
- P13: Assist disc type (5 magnets, 8 magnets, 12 magnets)
- P14: Current limit of controller (range 1-20A, 12A by default)
- P15: گھٽ حجمtage protection setting of controller
- P16: ODO distance reset (رک + for 5 seconds to reset this value; hold - for 5 seconds to reset factory settings)
- P17: Cruise mode (0: cruise mode disabled; 1: cruise mode enabled; auto-cruise mode or cruise mode enabled by pressing 1 button - controller should be compatible. Auto-cruise mode is enabled automatically by holding the throttle position for several seconds - this function is realized by the controller)
- P18: Speed ratio (range: 50%~150%, used to correct the speed if the user finds it is not accurate)
- P19: Assist level 0 enable/disable (0: with level 0; 1: without level 0)
- P20: Protocol selection (0: NO.2 PROTOCOL; 1: SS PROTOCOL; 2: RESERVED; 3: RESERVED)
5. سار سنڀال
پنهنجي S866 LCD ڊسپلي ميٽر جي ڊگهي عمر ۽ بهترين ڪارڪردگي کي يقيني بڻائڻ لاءِ، انهن سار سنڀال جي هدايتن تي عمل ڪريو:
- صفائي: ڊسپلي اسڪرين ۽ باڊي کي نرم، ڊي سان صاف ڪريوamp cloth. Avoid using abrasive cleaners or solvents, as they may damage the ABS material or the screen.
- پاڻي جي نمائش: While the display is IP65 waterproof, avoid submerging it in water or exposing it to high-pressure water jets. Ensure the waterproof connector remains sealed.
- ڪنيڪشن چيڪ: وقتي طور تي سڀني ڪيبل ڪنيڪشنن کي چيڪ ڪريو ته جيئن پڪ ڪري سگهجي ته اهي محفوظ آهن ۽ سنکنرن يا نقصان کان پاڪ آهن.
- اسٽوريج: If storing your e-bike for an extended period, keep the display in a dry, cool place away from direct sunlight.
- اثر کان بچڻ: Protect the display from physical impacts, which can damage the screen or internal components.
6. مسئلا حل ڪرڻ
This section provides solutions to common issues and explanations for error codes you might encounter.
6.1 نقص ڪوڊ
The S866 display can show various error codes to indicate specific issues. Refer to the table below for their meanings:

Figure 6.1: Table listing S866 LCD display error codes (E00-E13) and their corresponding descriptions.
| ڪوڊ (ڊيسيمل) | وصف |
|---|---|
| E00 | عام |
| E01 | رکيل |
| E02 | بريڪن جي غلطي |
| E03 | Assist sensor error |
| E04 | 6KM/H push mode |
| E05 | کروز موڊ |
| E06 | بيٽري گھٽ حجمtage تحفظ |
| E07 | موٽر غلطي |
| E08 | ٿڪڻ جي غلطي |
| E09 | ڪنٽرولر جي غلطي |
| E10 | COM حاصل ڪرڻ ۾ غلطي |
| E11 | COM موڪلڻ جي غلطي |
| E12 | BMS مواصلاتي غلطي |
| E13 | هيڊ لائٽ جي غلطي |
6.2 عام مسئلا ۽ حل
- ڊسپلي آن نه ٿي رهيو آهي:
- چيڪ ڪريو ته بيٽري چارج ٿيل آهي ۽ صحيح طرح سان ڳنڍيل آهي.
- Ensure the display cable is securely plugged into the controller.
- غلط رفتار/فاصلي جي پڙهائي:
- Verify the wheel size (P06) and number of magnets (P07) settings in the parameter mode are correct for your e-bike.
- Adjust the speed ratio (P18) if necessary.
- موٽر جواب نه ڏئي رهيو آهي:
- Check for error codes (E07, E08, E09).
- Ensure the communication protocol (P20) is set to NO.2 PROTOCOL.
- Verify assist sensitivity (P11) and starting power (P12) settings.
- Display Shows E10 Error:
- This indicates a COM receive error. Ensure your controller uses communication protocol No. 2. The display is only compatible with this protocol.
- Check the connection between the display and the controller.
7. وضاحتون
Detailed technical specifications for the S866 LCD Display Meter:
- ماڊل: S866
- مطابقت وارو حجمtage: 24V ، 36V ، 48V
- ڊسپلي جو قسم: ايل سي ڊي
- مواد: Acrylonitrile Butadiene Styrene (ABS)
- پنروڪ گريڊ: IP65
- Bracket Diameter: تقريبن 22.2 ملي ميٽر / 0.9 انچ
- لائين ڊگھائي: تقريبن 21 سينٽي ميٽر / 8.3 انچ
- ڪميونيڪيشن پروٽوڪول: Protocol No. 2
- طول و عرض (پيڪيج): 11.6 x 7.9 x 7.4 سينٽي
- وزن: 100 گرام
- ٺاهيندڙ حوالو: SPYMINNPOOwxb12da94k1645
8. وارنٽي ۽ سپورٽ
SPYMINNPOO is committed to providing quality products and customer satisfaction. If you have any questions or encounter issues with your S866 LCD Display Meter, please contact us.
8.1 Service Guarantee
If you have any questions about your S866 LCD Display Meter, you can contact us via email at any time. We are committed to responding and resolving your problems promptly, providing better service.
8.2 رابطي جي معلومات
For support, please refer to the contact details provided with your purchase or visit the official SPYMINNPOO brand store on Amazon: SPYMINNPOO Brand Store.




