MUKKPET GM 500 User manual

1
GM/GL 500
2022

2
Contents
Warnings…………………….1
Assembly Instructions………2
Adjustment…………………..5
Check…………………………8
Display………………………..9
Error code definition……….19
Operating Safety……………21
Troubleshooting…………….22
Maintaining…………………24
Warranty & Disclaimer……26
Disclaimer…………………..28

1
Warnings
Mukkpet Ebike LLC assumes no liability for
any harm, injury, or death of the rider.
Congratulations on your purchase of a new Mukkpet Ebike! The
bike comes 85% assembled and here is the guide helps you get
familiar with your new bike in unboxing. The bike may need
adjustments in this process as shipping can sometimes be bumpy.
We recommend an adjustment and inspection bya reputable,
certified bicycle mechanic before the first riding
Please read the whole manual patiently before you use the new
electric bike
Do not modify or disassemble the original electrical components
of the bike.
This manual is not intended to be used as a detailed service
manual. Please feel free to contact us if there is anything you
would like to know.Mukkpet Ebike recommends a
comprehensive security check before the bike begins his first
travel.
Any of the above will invalidate the warranty and even bring
hurt to you.There will be some risks during the process of
experiencing the bike.
For technical assistance or warranty claims contact Mukkpet
Ebike at
E-mail：[email protected]

2
Assembly Instructions
1. Unfold the bike
Step1: The bike comes being folded as the picture one
shown.
Step2: unfold the bike and press the quick release
according the direction

3
2. Assembly Handlebar
Step1: insert the stem of the handlebar into the top
tube along the groovet
Step2: Adjust the height of the handlebar then tighten
the screw and lock the release.

4
3. Unfold the Stem
4. Battery
1. Turn the key from unlock to lock.

5
2. Open the case on the top of the battery, and then press the
button from “O’ to “I”.
5. How to remove the battery
1. Turn the key from lock to unlock.

6
2.Press the button on the seat post, and the saddle
will be foldable.
3. Pull the battery out.

7
Adjustment
1. Brake:
①Adjust the rotor ②Adjust the brake ③Adjust the rotor
1. Make sure the brake disc is in the middle of two
brake pads.
2. Adjust the brake tension according to your riding
habits.
3. Loosen the screw and adjust the brake wire to the
suitable brake tightness. Loosen the screws to adjust
the brake disc(abnormal noise or brake stuck when
braking).
4. Adjust the brake pad to keep the rotor in the middle
position.
3. Tighten the screws after each adjustment.

8
2. Serial number:
There is a serial number attached on head-tube or on
the bottom axis connecting the pedals as shown in the
following picture. Please take a picture ahead once
you received the bike. You may be asked for a picture
of your bike’s serial number as a part of warranty
requests and may also be asked to provide this
number to law enforcement provided that your bike is
stolen.

9
Check
1. Make sure all components are tightened. Adjust the
height of the handlebar and the seat post. DO NOT
raise it above the safety line.
2. Make sure the brakes can cut off the power supply to
the motor, and whether it is sensitive and reliable.
3. Make sure the front and rear axle nuts are tightened.
4. Make sure the display, brakes and lights can work
properly.
5. Make sure the chain is tight.
6. Make sure the pedals and all the connection parts
are firm and would not loose, and whether the crank
is flexible without jamming.
7. Make sure the front and rear tire pressure and tire
wear are suitable for your journey ahead.
8. Make sure the throttle works well without jamming,
and whether it feels tight or loose when pressing the
throttle.
9. Make sure the battery has been locked.

10
Display
1. Material & Dimension
1) Material
Caser and Cover and Press button: ABS,
LCD window: PMMA
2)Outside and mounting dimension(mm)

11
3) Installation
●Install the display in the middle of handlebar, then
adjust to suitable angle, install the press button to left
side of handlebar.
●Power off the device, connect the device to
controller.
●Power on
2. Overview of GD01
UART protocol:
Equipped with independent press buttons
2) Speed ：Real-time SPEED
3) Kmh/Mile ：Kmh/MPH according to habit
4) Battery level ：
Indicates the battery level in real time
5) Head light control ：

12
Press “+”button for 3 seconds to turn on/off
6) Back light adjustment: 3-level adjustment
7) Assist level ：From 1 to 3, press button to change
assist level.
8) Distance：ODO/Trip/Driving duration
9)Error code：
Please refer to appendix table 1 for definition
10 )Walking mode：
In this mode, it will display on the screen.
11)Parameter setting:
Set parameters, such as: wheel size, speed limit etc.
3. Presentation of screen
Battery level: 5 levels, voltage interval could be
customized
Speed ：Average SPEED/MAX SPEED/Real-time
SPEED

13
Speed unit ：Kmh/MPH
Walking mode ：Walking mode Display will show the
pattern
Assist level ：Actual assist level 1~3.
Head light icon ：Indicates when head light and
back light are on.
Distance：Trip/ODO.
Error code：“ERR” and code when there is error
number.

14
4. Operation instruction
1) Power ON/OFF
When the power is off, Long press “M”(Power)
during 3 seconds, the display will turn on and start to
normal working mode. When the power ison, Long
press “M”(Power) during 3 seconds,the display will
bepowered off.If no any operationboth on bike and
display during 10 minutes (time could be set), the
display will turn off automatically, in this case, no
power consumption for both display and controller.
2) Different Speed display:
Long press “+”and “M”to switch different speed
information, Real time speed（SPEED）

15
3) ODO/TRIP/ Driving Time/Error Code
Short press “M”to switch ODO/TRIP/ Driving
Time/Error Code/ ODO (Accumulated distance)
→Trip(Single-distance)→TM(Driving Time) →ERR(Error
Code).
4)Assist level
Short press “+”or “-”to change assist level, default
value is level 1
5) Head light control
Long press “+”for 3 seconds to turn on/off the head
light.
6) Walking mode
When the bike is stopped, long press “-” will enter
walking mode, the speed will be 4.5~7.5km/h
according to different road conditions.
“ ” will show up on screen.

16
5. Parameter setting
When the display is powered onlong press +and-，
will enterparameter setting mode（Figure 14），in
this mode, can changeparameter values ，long
press again +and-will quit parametersetting mode
or no operation during 10s will also quit this mode. In
parameter setting modeshort press “+”“-”will
change parameter value, short press “M”will save
currentvalue and witch to next parameter.
1) P01-back light lightness ：
Short press “+”“-”will switch from 1 to 3. Level 3 is
lightest. Level 2 is default value.
2) P02-kmh/MPH：
Short press “+”“-”to switch KMH/MPH.
3) P03-Working voltage ：
short press “+”“-”to switch 24V,36V, 48V. Default
value is 36V.

17
4) P04-Auto shutdown time:
short press “+”“-”to switch from “0”to “60”, it is
the time(in minutes) to shut down the screen
automatically if no operation “0”means never shut
down, Default value is 10 minute.
5) P05-Number of Assist levels:
Short press “+”“-”to change level 3->5->9.
3 ：3 assist levels
5 ：5 assist levels
9 ：9 assist levels
6) P06-Wheel size selection
short press “+”“-”to switch wheel size, step:16 inch,
20 inch, 22inch, 24 inch, 26 inch, 700C, 28 inch.
7) P07-Number of magnets for speed sensor ：
Short press “+”“-”to switch from 1 to 15.

18
8) P08-speed limit:
short press “+”“-”to set the speed limit from 10 to
41km/h.
9) This feature is reserved: display P09, invalid.
10) This feature is reserved: display P10, invalid.
11) P11-assist sensitivity setting:
Short press “+”“-”to switch from 1 to 24.
12)P12-assist starting power setting:
Short press “+”“-”to switch from 0 to 3.
13) P13-Assist magnetic disc types
Short press “+”“-”to switch from
5->6->8->10->12, different numbers of magnets.
14) P14-Current limit for the controller
Short press “+”“-”to switch from 1 to 20A
15)This feature is reserved:
Display P15, invalid.