Rhagymadrodd
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your mGYDY 36V 48V 750W KT 25A Electric Bicycle Controller Kit. Please read this manual thoroughly before use to ensure proper function and safety.
Cynnwys Pecyn
Mae'r eitemau canlynol wedi'u cynnwys yn eich pecyn:
- 1 x 25A Electric Motor Controller
- 1 x LCD5 Display
- 1 x TT009 Thumb Throttle
- 1 x 1T4 Cable

Ffigur 1: Drosoddview of the mGYDY Electric Bicycle Controller Kit components.
Fideo 1: Dadbocsio a throsoddview of the Electric Bike Brushless Controller Kit components.
Manylebau
| Nodwedd | Disgrifiad |
|---|---|
| Math o Eitem | Rheolydd |
| Deunydd | Aloi Alwminiwm, ABS |
| Controller Box Size | Tua 125x66x39mm / 4.9x2.6x1.5 modfedd |
| Math o Reolwr | Rheolydd Modur Brushless |
| Math o Gysylltydd | Cysylltydd gwrth-ddŵr |
| Uchafswm Cyfredol | 25±1A |
| Graddedig Voltage | DC 36V / 48V |
| Gosod Cyflymder | 1-4.2V |
| Cyfredol â Gradd | 12A |
| Mewnbwn Brêc | Lefel Isel |
| Isel Voltage Amddiffyn | DC 30/40±0.5V |
| Modur Cymwys | Usually 750W Motor |
| LCD5 Display Type | GD01 (or S866 as per video) |
| LCD5 Line Length | 225mm (WP Plug) |
| TT009 Throttle Type | Quick Thumb Throttle |
| TT009 Throttle Material | PC+AB |
| TT009 Throttle Voltage | 12V 24V 36V 48V 52V 60V 72V |
| TT009 Throttle Installation | Dde a Chwith |

Figure 2: Controller dimensions and basic specifications.

Figure 3: LCD5 Display dimensions and specifications.

Figure 4: TT009 Thumb Throttle specifications.
Gosod a Gosod
Proper installation is crucial for the safe and efficient operation of your e-bike kit. Ensure all connections are secure and waterproof where applicable.
Controller Wiring Instructions
Connect the corresponding line interfaces as described below to enable the kit's functions. It is essential to use this kit with a brushless motor and it is only compatible with KT series instrument products.
- Black Long Wire: Connect to the Motor Wire.
- Red and Black Single Big Wire: Connect as the Power Cord.
- Black Long Wire (Fine Hole): Connect to the One for Four/One for Five (9 Cores) cable.
- Black Line and Red Head: Connect to the Light Line.
- Black Wire and Yellow Head: Connect to the Power Assist Sensor Wire.

Figure 5: Controller wiring diagram showing various connections.

Figure 6: 1T4 Cable product connector details.
Display and Throttle Installation
The LCD5 display features an open design for easy installation on 22mm diameter handlebars, eliminating the need to remove the bike handlebars. The 1T4 cable connects the display, thumb throttle, and two brake levers to the controller.

Figure 7: LCD5 Display easy installation feature.
Video 2: Detailed demonstration of controller plug connections, including phase position, display, throttle, Hall sensor, battery, and e-brakes. Also shows display testing and parameter settings.
Cyfarwyddiadau Gweithredu
The LCD5 display provides various user parameter setting functions to customize your e-bike's performance.
LCD5 Display Functions
The display shows speed, PAS level, battery level, total mileage, single mileage, light indication, single trip time, and error codes. Refer to the diagram below for button functions and display indicators.

Figure 8: KT-LCD5 e-Bike Display User Manual - Functions and Display.
Gosodiadau Paramedr
The display allows setting and adjusting motor parameters, speed measurement parameters, speed limit parameters, power parameters, power auxiliary control parameters, minimum controller voltage, and maximum current parameters. To enter parameter setting mode, press and hold the '+' and '-' buttons simultaneously. Use the '+' and '-' buttons to navigate and adjust values. Press the 'M' button to save and exit.
- P01: Backlight brightness (1-3 levels)
- P02: Change metric (0: Km, 1: Mile)
- P03: Batri cyftage setting (24V/36V/48V/60V/72V, default 36V). Adjust 36V-60V voltage.
- P04: Hibernate mode time (1-60 minutes, 0: never enter this mode)
- P05: Total assist levels (0-5 levels)
- P06: Wheel size (inch)
- P07: Speed calculation (number of magnets for speed calculation, range: 1-255)
- P08: Speed limit range (0-100km/h)
- P09: Zero speed start (0: zero start, 1: non-zero start)
- P10: Dewis modd gyrru
- P11: Assist sensitivity
- P12: Assist starting power
- P13: Assist disc type
- P14: Current limit of controller
- P15: Cyf iseltage protection setting of controller
- P16: ODO distance reset
- P17: Cruise mode selection
- P18: Cymhareb cyflymder
- P19: Cynorthwyo lefel
- P20: Dewis protocol
Cynnal a chadw
Regular maintenance ensures the longevity and optimal performance of your e-bike kit.
- Keep all components clean and free from dust and debris.
- Regularly check all electrical connections for tightness and signs of wear.
- Ensure waterproof connectors are properly sealed to prevent moisture ingress.
- Inspect cables for any damage or fraying and replace if necessary.
- Store the e-bike in a dry environment when not in use.
Datrys problemau
If you encounter issues, refer to the error codes displayed on the LCD5 and the following general troubleshooting tips.
Error Codes (from LCD5 Display)
| Cod (Degol) | Disgrifiad |
|---|---|
| E00 | Arferol |
| E01 | Wedi'i gadw |
| E02 | Gwall Brake |
| E03 | Assist Sensor Error |
| E04 | 6KM/H Push Mode |
| E05 | Modd Mordeithio |
| E06 | Batri Isel Cyftage Amddiffyn |
| E07 | Gwall Modur |
| E08 | Gwall Throttle |
| E09 | Gwall Rheolwr |
| E10 | COM Receive Error |
| E11 | COM Send Error |
| E12 | Gwall Cyfathrebu BMS |
| E13 | Head Light Error |
For any error code, first check all connections. If the issue persists, consult a qualified technician.
Gwarant a Chefnogaeth
Gwybodaeth Gwarant
Daw'r cynnyrch hwn gyda a Gwarant Gwneuthurwr BlwyddynCadwch eich prawf prynu ar gyfer hawliadau gwarant. Mae'r warant yn cwmpasu diffygion gweithgynhyrchu o dan amodau defnydd arferol.
Cefnogaeth i Gwsmeriaid
For technical assistance, troubleshooting, or warranty inquiries, please contact mGYDY customer support through your retailer or the official mGYDY websafle.