SCIWIL GZ3-LCD User manual

Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
USERS GUIDE
GZ3-LCD

Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
Contents
Introduction .................................................................................................................................................. 1
1. Safety Notes ............................................................................................................................................ 2
2. Assembly .................................................................................................................................................. 2
3. Product Size .......................................................................................................................................... 3
4. Working Voltage and Connection ................................................................................................ 3
4.1 Working Voltage ........................................................................................................................ 4
4.2 Connection ................................................................................................................................... 4
5. Functions and Key Pad ...................................................................................................................... 4
5.1 Functions....................................................................................................................................... 4
5.2 Control and Setting Items ....................................................................................................... 5
5.3 Display Area ................................................................................................................................. 5
5.4 Settings .......................................................................................................................................... 6
5.5 Communications Protocol ........................................................................................................ 7
5.6 Key Pad ............................................................................................................................................. 7
5.7 Error Code ...................................................................................................................................... 10
5.8 Serial Code ..................................................................................................................................... 10
6. Quality and Warranty .......................................................................................................................... 11
7. Version...................................................................................................................................................... 12

1
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
Introduction
Congratulations on purchasing your e-bike smart display. Before use, please read
through this manual. It is important to acknowledge all the
WARNINGS, SAFETY
NOTES AND INSTRUCTIONS
. This manual will walk you through assembly, settings
and operations of Sciwil display products in easy steps, to facilitate operations on
your e-bike.

2
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
1. Safety Notes
PLEASE TAKE CAUTION WHEN USE，DO NOT PLUG OR UNPLUG THE DISPLAY WHILE
YOUR E-BIKE IS POWERED ON.
AVOID CLASHES OR BUMPS TO THE DISPLAY.
DO NOT TEAR THE WATER-PROOF FILM ON THE SURFACE OF THE SCREEN,
OTHERWISE THE WATER-TIGHT PERFORMANCE OF THE PRODUCT MAY BE
DEGRADED.
DISPLAY WATER-PROOF RATE: IP6
UNAUTHORIZED ADJUSTMENT TO DEFAULT SETTINGS IS NOT SUGGESTED,
OTHERWISE NORMAL USE OF YOUR E-BIKE CAN NOT BE GUARANTEED.
WHEN THE DISPLAY PRODUCT DOES NOT WORK PROPERLY, PLEASE SEND THE
IT FOR AUTHORIZED REPAIR IN TIME.
2. Assembly
Fix the display on the handlebar, adjust it to a proper facing angle. Make sure your
e-bike is powered off, then plug the connector on the display to the connector on
the controller (bus) to finish standard assembly.

3
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
3. Product Size
Material
Shell Material: ABS
Screen Cover Material: High Hardness Acrylic (same hardness as tempered glass).
Working Temperature: -20°C~60°C.
Product Size
4. Working Voltage and Connection

4
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
4.1 Working Voltage
DC 24V-60V compatible (can be set on display)，other voltage level can be
customized.
4.2 Connection
Connector to Controller Display Cable Outlet Connector Display Cable Coupling Connector
Note: Some products may use waterproof connectors, in which case the internal
wire arrangements cannot be identified from outside.
5Functions and Key Pad
5.1 Functions
There are multiple items displayed on GZ3 as follows:
 Battery Level
 Speed (average, maximum, current speed)
 Distance (single Trip, total ODO)
 PAS Level
 Error Indication
 Cruise
 Brake
 Headlight Indication

5
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
5.2 Control and Setting Items
Power Switch, Light Switch, Walk Mode, Real-time Cruise, Wheel Size Setting,
PAS Level PWM Setting, Speed Limit Setting, Auto-Off Setting.
5.3 Display Area
Overall Interface (displayed within 1s at start）
Introduction of Displayed Items:
1. Headlight
2. Battery Level
3. Speed （unit: km/h or mph)
The display calculates riding speed based on wheel size and signals (need to set
magnet numbers for Hall motors). ，
6. PAS Status Indication Area
5.4 Settings
P01: Backlight Brightness (1: darkest; 3: brightest)
P02: Mileage Unit (0: km; 1: mile)
P03: Voltage Class (24V / 36V / 48V / 60V / 72V )

6
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
P04: Auto-Off Time
(0: never, other value means time interval for display auto-off) Unit: minute
P05: Pedal Assist Level
0/3 Gear Mode: Gear 1-2V, Gear 2-3V, Gear 3-4V
1/5 Gear Mode: Gear 1-2V, Gear 2-2.5V, Gear 3-4V, Gear 4-3.5V, Gear 5-4V
P06: Wheel Size (Unit: inch Precision: 0.1)
P07: Motor Magnets Number (for Speed Test; Range: 1-100)
P08: Speed Limit Range: 0-50km/h, no speed limit if set to 50)
1. Communications status (controller-controlled)
The driving speed will be kept constant as the limited value.
Error Value: ±1km/h (applicable to both the PAS/throttle mode)
Note: The above-mentioned values are measured by metric unit (kilometers).
When the measuring unit is set to imperial unit (mile), the speed
displayed on the panel will be automatically switched to corresponding
imperial unit, however the speed limit value in the imperial unit interface
won’t change accordingly.
P09: Direct Start / Kick-to-Start Setting
0: Direct Start
1: Kick-to-Start
P10: Drive Mode Setting
0: Pedal Assist – The specific gear of the assist drive decides the assist power
value. In this status the throttle does not work.
1: Electric Drive – The vehicle is driven by the throttle. In this status the power
gear does not work.
2: Pedal Assist + Electric Drive – Electric drive does not work in direct-start status.
P11: Pedal Assist Sensitivity (Range: 1-24)
P12: Pedal Assist Starting Intensity (Range: 0-5)
P13: Magnets Number in Pedal Assist Sensor (5 / 8 / 12pcs)

7
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
P14: Current Limit Value (12A by default; Range: 1-20A)
P15: Unspecified
P16: ODO Clearance
Press and hold the up key for 5 seconds and ODO distance will be cleared.
5.5 Communications Protocol：UART
5.6 Key Pad
Key pad position:
There are 3 keys on GZ3 display. In following introductions:
is called “On/Off”,
is called “Level/Toggle”,
is called “Mode”.
Operations include short press, press and hold of a single key or two keys：
①During riding, press Level/Toggle to change PAS/throttle level among
ECO/MID/HIGH.

8
Changzhou Sciwil E-
Mobility Technology Co., Ltd.
9th Huashan Road, Changzhou, Jiangsu, China- 213022
Fax: [phone] Tel: +86 519-
85600675
②During riding, press Mode to switch items displayed in versatile area.
Note：Press and hold of a single key is mainly used for switch mode/on/off
status. Press and hold of two keys is used for parameter settings.
(To avoid false operation, short press of two keys is not introduced.)
Operations:
·Switch On/Off Display and Headlight
-Press and hold On/Off to switch on or off the display. When the display is
on, press On/Off turn on the front light.
-When the display is on but the static current is under 1μA, the display will
automatically turn off after 10 minutes (or any set time by P04).
·Enter/Exit Walk Mode, Cruise Mode
- When your e-bike stops, press and hold Mode to enter 6km/h walk mode.
- During riding, press and hold Minus to enter real-time cruise. When in
cruise mode, press and hold Minus to exit.
·Switch Displayed Items in Versatile Area
When the display is on, press Mode to switch displayed items in versatile area.
·Settings
- Press and hold Level/Toggle and Mode to enter Settings interface. Setting
items include: Backlight Brightness, Unit, Voltage Level, Auto-Off Time, PAS
Level, Wheel Size, Motor Magnet Numbers, Speed Limit, Direct Start and
Kick-to-Start Mode, Drive Mode, PAS Sensitivity, PAS Start Power, PAS