Kohree HY1903 User manual

To create a cool trip for worldwide car lovers
User Manual

This product can be used:
Not only in trucks, vans, RVs, cars, etc.
But also in hotels, motels and residential environments.
Main Features:
Fashion style
Smooth paint cover, upgraded embedded handle, simple and
beautiful appearance, high-end and fashion.
Quick cooling function
Temperature range from -7°F to 50°F, fast cooling and keeping food
fresh, can be used in cars or homes.
LCD touch screen control and USB charging
The 26-quart portable fridge comes with an intelligent LED panel and
it has a USB port that can act as a power supply
Low energy consumption
ECO energy-saving mode and MAX mode could be chosen under
different circumstances. The built-in ECO electronic control module
will automatically disconnect the power supply before it runs out,
without affecting the normal ignition of the car.
Occupy little space and keeps quiet when running
The car fridge cooler with an anti-slip mat can stay stable and keep
silent even on the steep road.
warranty certificate
● Please read this manual and the warranty certificate carefully and
read the safety precautions carefully before use.
● If there are any problems or questions about this product, please
contact our customer service center: [e-mail]. We will
reply you within 24 hours. Thank you for purchasing KOHREE Car
Refrigerator.
● The appearance, color and pattern of the refrigerator are subject to
the actual product.
Product Description
1

Parts schematic:
① Compressor cooling hole
② Power interface
③ Handle
④ Digital touch screen
control panel
⑤ Rubber seal
⑥ Refrigerator chamber
Safety Attention
① Ensure proper connecting of voltage for the refrigerator at any time.
(Parameter label shows the approved voltage for car refrigerator).
② Do not directly pour any liquid into the car refrigerator.
③ It is forbidden to modify the refrigerators privately,in case of dangers.
④ Refrigerators should not be exposed to the rain.
Preparation for use
Before using the refrigerator, please read this manual carefully and
keep it properly
① Before the first use of refrigerator, you should clean it inside and
outside with a damp cloth.
② Do not fill the refrigerator with corrosive liquids. Do not directly pour
liquids into the refrigerator.
③ When the refrigerator is not use for a long time, please disconnect
the power supply and keep it dry.
④ Please clean the inner chamber regularly to prevent odor bacteria
and ensure food safety.
Usage Notice
12
3
4
5
6
2

Do not fill the refrigerator with corrosive liquids. Do not directly pour
Connect the power supply
① Find the DC power cord in the kit. Connect DC plug to the power
outlet of the car refrigerator.
② Well place the refrigerators in the car (back-up, seats...).
③ Lay out powercords as per the interior space of your car. Insert the cigarette
lighter plug (one side of the powercord) into the carcigarette lighter hole.
④ Long Press the "ON /OFF"key for 3 seconds to start the refrigerator.
The refrigerator can be connected to more than one source of energy.
The refrigerator can be directly connected to the12V/24V DC power supply.
If the refrigerator is used in100-240V power supply, an AC adapter should be adopted.
Car Battery Protection Voltage For Reference
Built-in ECO electronic control module can automatically monitor car
battery voltage.Refrigerator will be automatically cut off when the power is
excessively consumed, So that protecting the battery consumption
from too low to affect car starting.
Note: when the refrigerator is on work, “OFF” or “ON” is the stop or start
of the compressor.
Car Refrigerator Operation
Connect the car cigarette lighter Connect the car refrigerator
(Built-in Mode)
DC power cord
12V
24V
Voltage
H (High)Level
11.3V OFF, 12.5V ON
24.6V OFF, 26V ON
M (Medium)Level
10.1V OFF, 11.4V ON
22.3V OFF, 23.7V ON
L (Low)Level
9.6V OFF, 10.9V ON
21.3V OFF, 22.7V ON
High Level set to be factory default (Voltage Protection)
3
DC 12V/24V

Car Refrigerator Operation
Temperature Adjustment Settings
Please adjust the refrigerator temperature by touching the temp.
control panel.
Operation Method:
① Press [On/Off] key for 3 seconds to turn on/standby the refrigerator.
② Press [+ or -] key to adjust the temperature.
③ Long press the [+ or -] key, temperature will be linearly adjusted by
3℃per second and the figures stop flashing.
④ When no operations detected for 3 seconds, the temperature display
will stop flashing, exit setting and save the current (temperature)
setting.
⑤ T
emperature display shows the actual refrigerator temperature inside.
⑥ When the refrigerator is on standby, the breathing lights are on and
Car Refrigerator Operation
4
Battery
Protection Display
Temperature
Display
MAX/ECO
Display
On/Off
Unlock/Switch/Set
Temperature Up
Temperature Down
USB Charging Port
Power/Voltage
Display

Troubles Troubleshooting
Advice: If there is any abnormal situations that cannot be resolved
through simple fault analysis, please contact professional customer
service for assistance.
There isa power-off memory function for the refrigerators. When the power is
failure, working status (On/Off status, operating modes) which before the power
off can be automatically recovered at next reboot, noneed to set it again.
ECO: Energy-saving Cooling Mode MAX: Powerful Cooling Mode
Car Refrigerator Does Not Work
① Check if the power is connected properly.
(checkIf the plug is loosened or positive and negative poles are reversed).
② Check if the power switch on the operation panel is turned on.
③ Check if the cooling ventilation is normal.
④ Checkif the fuse is blown.
Car Refrigerator Operation
Poor Cooling Performance
① Check if the lid is closed properly
② Check if the door seal is damaged or deformed.
③ Check if there is poor ventilation around the fridges.
④ Check if the temperature is set properly.
the temperature display is off.
⑦ When the refrigerator is on work, press [set] key to switch MAX/ECO
modes.
⑧ The adjustable range of temperature is from -7 °F to 50 °F
⑨ Temperature Conversion: concurrently press [set] and [+] keys for 3
seconds to switch the Celsius(℃) and the Fahrenheit(F) display.
⑩ Battery protection mode: when the refrigerator is on work, long press
[set] key for 3 seconds to enter the battery protection setting. Press[set]
key again to switch level H>L>M in turns and if no operations detected,
setting level will flash for 5 seconds, then exit and save. Normally, the
H (High) level setting is recommended for car battery and the
M (Medium) and L (Low) levels for external batteries.
Note: Please adjust the parameters at the unlocked status. If the refrigerator
is locked, press[set] key for 3 seconds to unlockit.
5

Abnormal noise
① Refrigerator is not put on a flat level surface.
② Check for vibrations in surrounding objects.
③ Parts in the refrigerator get loose or fall off.
E1: Low Input Voltage
◇Failure 1: Insert refrigerator power cord into cigarette lighter before the car
starts.
Solution: Wait for a while to connect the car after it started.
◇Failure 2: Input voltage of the adapter is too low.
Solution: Adjust the battery protection to middle level or low level. If it
doesn’t work, please replace a new adapter.
E3: Input Voltage Fault due to compressor frequently start
◇When the refrigerator is used in car and E3 appears, ①Please shut down
for 5 minutes and reboot it. ②If it doesn’t work, that will be identified to be E1
fault, please solve it according to the solution of E1.
◇When the refrigerator is connecting with adapter and E3 appears, ①please
adjust battery protection level to the middle level or low level. ②If it doesn’t
work, please replace a new adapter.
E2: Fan Fault
◇Please replace a new fan when identify there is a fan malfunction.
E4: LowRotational Speed of Compressor
◇Please adjust input voltage and repower it.
E5: Overheating of Controller Chip
◇Please power off for 5 minutes and check if the overheating is caused by the
bad ventilation around compressor.
It is normal that there slightly will be some condensation on the refrigerator
surface when air humidity is more than 75%.
The definition of the error code on the display
Error Code
E1
E2
E3
E4
E5
E6
Error Type
Low Input Voltage
Fan Fault.
Input Voltage Fault due to compressor frequently start
Low Rotational Speed of Compressor
Overheating of Controller Chip
Open or Short Circuit of NTC
6
Failures and Solutions

Operation Suggestion
When storing ice cream in refrigerator, please set to the lowest
temperature and keep power on constantly.
Prevent healthy problems from bottled water deterioration caused
by the high temperature.
Keep fresh for the frozen food and luxurious seafood during the
long travelling.
Freshness of tealeaves is effectively preserved by car refrigerator,
you can enjoy the fresh and delicious tea any time during the
self-driving travelling.
Ideal storage temperature for red wine is 10℃-18℃, the precise
temperature control of car refrigerator guarantees the storage
temperature for it.
Fruits cannot be kept in hot car for more than 2 hours, even it is in
the air conditioning. But car refrigerator is able to effectively keep
the fruit fresh for a long time.
Coating of sunglasses will drop off at the high temperature, car
refrigerator is the best ideal place to put away.
Cosmetic is easy to go bad at high temperature, so the best choice
to store outside is with a car refrigerator.
With an additional battery, you can hold any temperature you set
in any situations without worries.
7

Car Refrigerator Electrical Schematic
-
+
+
F
D
C
P
T
+ - D C P T
Compressor
M
H
L
Red
Black
Blue
white
Ash
Yellow
+Red
Cooling fan
-Black
Black
Black
NTC
battery
protection RT
SW PCB
DC12V/24V
8

After-Sales Service: Guarantee information
DEFECTS CAN BE RETURNED WITHIN 30 DAYS
3-YEAR COMPRESSOR WARRANTY
THE WARRANTY SHALL NOT APPLY:
①To any product subjected to misuse, alteration, act of God,
improper handling, improper transport, improper testing or
unauthorized repair;
②To cosmetic problems or defects which result from normal wear
and tear under ordinary use yet not affecting the performance or
use of the product;
③If the product is disassembled or altered;
④
To any packing, transportation, export /import tax or any related expenses.
Customer service center: [email protected]
① Go to your order history and click the "Question" button for that order.
② On the product detail page of Amazon.com, click the seller's name
displayed under inventory status. Click the question button.
9
*How to contact us on Amazon