KHS Easy 24 User manual

E-BIKE
Easy 24
Envoy 200
Extended 2.0
Owner's Manual

BATTERY INSTALLATION INSTRUCTIONS
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LOCKUNLOCK
1
Press the switch the 'O'side to turn the battery OFF.
Make sure the key is in the unlock position.
With one hand holding the end of the battery and the other
hand holding the end of the rear rack, slide and push the
battery all the way into the battery rack.
Lock the battery with the key. Failure to lock the battery
can result in inconsistent power while riding.
*The key is only for locking and unlocking the battery.
When in “locked” position, don’t leave the key in the key way.
Remove the key and keep it with the bike to prevent its loss.
We recommend keeping the spare key with the charger.
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Press the switch to the 'O'to turn the battery OFF.
Insert the key into the battery key way. Turn counterclockwise to unlock the battery.
With one hand holding the end of the rear rack and the other hand holding the end of the
battery, pull the battery backwards away from the bicycle to remove the battery.
BATTERY REMOVAL INSTRUCTIONS
For safety reasons and to meet regulation of international freight shipping, the lithium-ion battery
was only partially charged, before being placed in sleep mode.
Please fully charge the battery BEFORE the very first use. See page 4.
Carefully read and follow all instructions and guidelines in this manual.
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Make sure the key is in the locked position and
the battery is secure and stable in the rack.
Once locked, pull out the key for safekeeping.
We recommend keeping the spare key with the
charger.
Turn the battery power switch ON by turning it
to the ( ) side.
TURNING THE BATTERY ON
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The symbols of battery switch:
(）or（）/ON
（ ）/OFF
O
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(b) Open the soft cover (5) of the battery charging port.
(c) Insert the charging connector (6) into the battery
charging port (5). The charger LED indicator is off.
d) Connect the charger power plug (7) to 100V/240V AC,
the charger LED indicator is GREEN Lig
ht. See page 5
(e) Turn On the battery for charging. The charger
LED indicator turn to RED Light.
CHARGING THE BATTERY
(f) When the charger LED indicator turnsGREEN again, the charging process is completed.
Pull out the charger connector with battery, store the charger for next charge.
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(a) Make sure the battery voltage is accordance
with the charger.
1>36V battery can only be charged by 36V (42V) charger.
2>48V battery can only be charged by 48V (54V) charger.
(b) Open the soft cover (5) of the battery charging port.
(c) Insert the charging connector (6) into the battery
charging port (5). The charger LED indicator is off.
(d) Connect the charger power plug (7) to 100V/240V AC,
the charger LED indicator is GREEN Light.
(e) Turn On the battery for charging. The charger
LED indicator turn to RED Light.
(a) Make sure the battery voltage is accordance with
the charger.
36V battery can only be charged by the 36V (42V) charger
48V battery can only be charged by the 48V (54V) charger
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(
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LED indicator (8) Red light indicates charging. Green light indicates fully charged.
If after 8 hours of charging the LED indicator is still Red, please stop charging and contact
the supplier for service.
CHARGING THE BATTERY
Charger LED Indicator
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BATTERY POWER INDICATOR
When the battery power is turn on「」, push the
soft button (9) to activate the capacity meter.
Flashing red light, means little or no power remaining.
Needsto be charged.
LED green bars indication
3 green lights = full energy capacity
2 green lights = mid energy capacity
1 green light = low energy capacity
1 steady red light = little or no energy remaining
∗We recommend charging the battery after every ride.
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(d) Battery performance deteriorates over time whether the battery is used or not. This is known as
"calendar fade". Performance also deteriorates with usage and this is known as "cycle fade".
Follow these instructions to help extend the battery life and performance.
BATTERY STORAGE
Model Battery Charger
Easy 24 36V 36(42)V
Envoy 200 48V 48(54)V
Extended 2.0 48V 48(54)V
Model / Battery /Charger Chart
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(a) It is strictly forbidden to charge the battery with an uncertified charger.
(b) Avoid direct sunlight. Charge in dry and weld ventilated environment.
•If the bike is ridden on and/or after a rainy day, remove the battery and wipe it dry.
•When not using the battery for a long period of time or after charge, unplug the battery from the bike.
•Check the battery energy status and charge every three months.
CAUTION when charging:

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LCD OPERATION
On
Off
Push for 1 second
Push for 2 seconds
LCD dashboard content description
Power output and battery level indicators section 8
(1) POWER output indicator:
Each cell means 2A (current) of output
(2) BATTERY level indicator:
L CD OPERATION:
On & Off
When the battery is empty, all six cells are blank and red light will flash. Motor will stop
and show ERROR code ( 1 ). *Please charge,or install a charged battery, ASAP

LCD OPERATION
Power Assistance Level Indicator Section
Push to increase power assistance level (0.1.2.3.4.5)
Push to decrease power assistance level (5.4.3.2.1.0)
Push and simultaneously for 2 seconds to change the speed unit
between Miles Per Hour (MPH) and Kilometers Per Hour (KM/H).
Speed Indicator Selection : MPH vs.KM/H
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LCD OPERATION
Additional Information Section
Push button briefly each time will cycle through
the following functions：
* NOTE 1: Distance and speed units will depend on the selected MPH or KM/H unit in the
Speed Indicator section.
* NOTE 2: To clear all info except for odometer, push and together for 2 seconds.
* NOTE 3: To clear all info including odometer, push and together for 10 seconds.
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Screen cycles through the information modes automatically
Odometer recorded by the system since the manual reset
Time since the system was turned on
Distance traveled since system was turned on
Max Speed since system was turned on

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LCD OPERATION
Throttle
Push the throttle lever. The bike can start without pedaling.
Walking Mode
Press
On: Press and hold
Off:Press and hold
3.8MPH (6Km/H)
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on control panel for 1.5 seconds to turn on.
on control panel for 1.5 seconds to turn off.
on control panel button for 2 seconds to start the walking mode.
Button must be held to continue walking mode. Releasing the button will
immediately stop the walking mode.
Walking mode will allow the motor to run up to 3.8MPH (6KM/H)
It is designed to assist when pushing the bike uphill or need to go slowly.
When engaged, the power assistance indicator will show AUTO 6.
LCD Backlight and Front & Rear Lights
NOTE: Bicycle battery must be "ON" for the bicycle lights to work.

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LCD OPERATION
If shows up, there is an error. The indicated numeric codes are defined as follows:
Definition Solution(s)
Error
code
Voltage too low
48V is under 42V // 36V is under 32V Charge battery, or replace.
Brake is stuck or shorted
1. Check the brake to make sure it’s not stuck.
2. Unplug the brake wire to see if message goes
away. If it does, the wire maybe shorted.
Crank sensor:no signal or no phase
At power on with power assistance level (0),
error code (4) may appear. The code should
disappear automatically after 30 seconds, or
when you start pedaling.
If you start pedaling, but the code stays on
within the first 30 seconds, it indicates there is
no flash signal from the crank sensor.
*Sensor needs to be replaced.
Motor overload, reduce motor output
1. Shutdown and restart the system.
2. Put on max assistance level.
3. Motor requires repair.
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LCD OPERATION
Controller temperature
exceeds 158ºF (70ºC)
Power off and wait until the temperature
decrease back to normal about 10 minutes.
Motor Hall is abnormal
1. Is the connection between motor and controller
loose or broken?
2. Motor requires repair.
Motor overcurrent
1. Shutdown and restart the system.
2. Motor requires repair.
Wheel diameter Sensor abnormal Check wheel sensor or wheel magnet
Voltage too high
48V system: battery is above 60V
36V system: battery is above 44V
Replace the battery.
Lost or abnormal communication
between LCD and controller.
1. Shutdown and restart the system.
2. Is the wire between the LCD and controller
loose or broken?
3. Controller or LCD may require repair.
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NOTES
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KHS, Inc.
2840 E. Harcourt St.
Rancho Dominguez, CA 90221 USA
Tel: [phone], Press '2'
khsbicycles.com