1. Kupu Whakataki
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.

Whakaahua 1.1: Mua view of the S866 LCD display meter, showing speed, battery, and trip information.
2. Tatūnga me te Tāuta
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 Ihirangi mokete
- S866 LCD Display Meter
- Maunga Paetahi
- Waterproof Connector Cable
2.2 Nga Waahi Whakataunga
- 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. Nga Tohutohu Whakahaere
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 Nga Mahi Patene
- + Pihi: Up button, used to increase values or assist levels.
- Pātene Hiko: Power on/off button, also used to switch information.
- - Pātene: Down button, used to decrease values or assist levels.
3.2 Nga Mahi Taketake
- Hiko Whakaka/Weto: Puritia te Mana 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).
- Atanga Pūnoa: Puritia te Mana button to enter the normal interface.
3.3 Nga Mahi Ake

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.
- Mana Maama: Puritia te + button to turn on the backlight and headlight simultaneously. Hold the + button again to turn them off.
- Change Assist Level: Pehia te + 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: Puritia te - 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: Pehia te Mana 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. Aratau Tautuhinga Tawhā
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 + a - buttons simultaneously to enter parameter setting mode. The first screen shows P01. Press the Mana button to switch to the next parameter, and press the + or - buttons to increase or decrease the value of each parameter. Press + a - kia mutu ano tenei aratau.
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: Tirohanga rama tuara (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: Vol ititage protection setting of controller
- P16: ODO distance reset (pupuri + 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. Tiaki
To ensure the longevity and optimal performance of your S866 LCD Display Meter, follow these maintenance guidelines:
- Te horoi: Horoia te mata whakaatu me te tinana ki te wai ngohengohe,amp cloth. Avoid using abrasive cleaners or solvents, as they may damage the ABS material or the screen.
- Puranga wai: 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.
- Taki Hononga: Tirohia ngā hononga taura katoa i ia wā, i ia wā, kia mōhio ai kei te mau tonu, ā, kāore he waikura, he pakaru rānei.
- Rokiroki: If storing your e-bike for an extended period, keep the display in a dry, cool place away from direct sunlight.
- Aukati Paanga: Protect the display from physical impacts, which can damage the screen or internal components.
6. Te Raru
This section provides solutions to common issues and explanations for error codes you might encounter.
6.1 Waehere Hapa
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.
| Waehere (Ira) | Whakaahuatanga |
|---|---|
| E00 | Pūnoa |
| E01 | Kua rahuitia |
| E02 | Hapa frein |
| E03 | Assist sensor error |
| E04 | 6KM/H push mode |
| E05 | Aratau Whakatere |
| E06 | Puhiko iti voltage whakamarumaru |
| E07 | Hapa Motuka |
| E08 | Hapa Throttle |
| E09 | Hapa Kaiwhakahaere |
| E10 | COM whiwhi Hapa |
| E11 | Hapa tuku COM |
| E12 | Hapa korero BMS |
| E13 | Mahunga marama Hapa |
6.2 Nga take me nga otinga noa
- Kāore te Whakaaturanga e Whakakā:
- Tirohia mehemea kua utaina te pākahiko me te hono tika.
- Ensure the display cable is securely plugged into the controller.
- Incorrect Speed/Distance Readings:
- 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.
- Motuka Kaore i te whakautu:
- 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. Whakatakotoranga
Detailed technical specifications for the S866 LCD Display Meter:
- Tauira: S866
- Hototahi Voltage: 24V, 36V, 48V
- Momo Whakaatu: LCD
- Rauemi: Acrylonitrile Butadiene Styrene (ABS)
- Koeke parewai: IP65
- Bracket Diameter: Tata ki te 22.2mm / 0.9inihi
- Roa Raina: Approx. 21cm / 8.3in
- Kawa Whakawhitiwhiti: Protocol No. 2
- Ahu (Pake): 11.6 x 7.9 x 7.4 cm
- Taumaha: 100 karamu
- Tohutoro Kaihanga: SPYMINNPOOwxb12da94k1645
8. Pūtāhui me te Tautoko
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 Whakaaetanga Ratonga
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 Nga Korero Whakapā
For support, please refer to the contact details provided with your purchase or visit the official SPYMINNPOO brand store on Amazon: SPYMINNPOO Brand Store.




