Haier HYC-410 User manual

Pharmaceutical Refrigerator
Operation Manual
Model:
HYC-410
• Read the Operation Manual carefully before using your appliance.
• Keep the Operation Manual in a safe place.
• Appearance , color and layout of the door may vary.
• Translation of the original instruction.
• This product is only applicable for storage of pharmaceutical products or drugs. Not
applicable for storage of blood or blood products including biological products, for example
biological vaccine, agents for in vitro diagnosis and etc.

Content
Safety Precautions .................................................... 1
Application guidelines ................................................ 4
Product Feature ......................................................... 5
Product Installation .................................................... 6
Component Names ● Control Panel ......................... 11
Application method ................................................... 13
Alarm ........................................................................ 15
Cleaning and Maintenance ....................................... 17
FAQ .......................................................................... 19
Circuit Diagram ......................................................... 20
Specifi cation & Packing list....................................... 21
25

24 1
Dear users:
Thanks for your choice of Haier pharmaceutical refrigerator, please make sure you have carefully
read and observed the contents with following signs in the manual, for better understanding of this
manual and better use of this product, so as to prevent personal injuries and refrigerator damage.
When there is a leak of flammable gas, shutoff the feed valve of the gas. Open windows for
ventilation and exhaust. Do not plug in your refrigerator or unplug your refrigerator as spark in
these processes can cause an explosion or fi re.
Only the professional technicians or after-sale service men are allowed to install this refrigerator.
Otherwise it may result in an electric shock or fi re. The replacement of any spare parts(battery
ect.) shall be conduct by technicians approved by manufacturer.
Place the refrigerator on solid and fl at ground to avoid tipping the unit over to cause personal
injury.
Only connect the refrigerator unit with a dedicated power outlet specifi ed by the nameplate of
the unit. This is to avoid fi re or electric shock.
Safety Precautions
Safety labels
Safety precautions
Actions or operations
which are prohibited
Actions or operations
which must be followed
Under all conditions marked with , It is
necessary to consult the documentation, so as
to clarify the nature of potential risks and know
any countermeasures that must be taken.
Ignoring this warning may result in deatn or
serious injury
Ignoring this warning may result in deatn
or serious injury,and/or damage to the
refrigerator and property
Flammable materialWarningOvercurrent Portector Grounding mark
Elscolab BV.
Tolboomweg 10, 3784 XC Terschuur, the
Netherlands
“Manufacture”

2
If the supply voltage is lower than 198 V or higher than 242 V, an automatic voltage regulator of
at least 4,000 W should be installed with the refrigerator.
If the power cord needs to be lengthen, the cross section area of the extension line’s conductor
should be at least 2 mm² and the length of the extension cord should be limited to 3 m. This is to
prevent electric fi re or shock.
The power cord of the unit is equipped with a 16 A three-prone power plug. Do not remove the
ground pin of the power plug under any circumstances. Make sure the plug is securely plugged
into the power outlet to prevent fi re.
The power socket must be equipped with a ground wire to prevent electric shock. If the socket
fails to be grounded, the ground wire must be installed before the refrigerator is plugged in.
The refrigerator shall not conduct outdoor service. Electrical leakage or shock may be caused if
wet by rainwater.
Do not place the refrigerator in humid places or places where the unit may get splashed on by
water. This is to avoid electric shock due to deterioration of insulation.
In case the fi re, do not pour water onto the refrigerator unit as a means to prevent electric shock
or short circuit.
Do not place containers of water or heavy objects on the refrigerator. Falling objects may cause
personal injury and overfl own water may damage the insulation to cause electric shock and fi re.
Do not ground the refrigerator through gas pipes, water supply pipes, telephone lines or lighting
conductors. These types of connections can cause electric shock.
Do not touch electric parts such as power plugs or switches with wet hands to prevent electric
shock.
When pulling the plug out of the power socket, hold the power plug instead of power cable.
Pulling the cable can cause a damage and personal injury.
Unplug the refrigerator unit if it malfunctions to avoid fi re or personal injury.
Dismantling, repairing and retrofi tting a unit should only be performed by a professional to avoid
personal injury.
Disconnect the refrigerator when repairs or maintenance are performed on the refrigerator to
prevent electric shock or personal injuries.
Do not inhale airborne particles inside and near the refrigerator during routine maintenance.
This is to avoid health hazard.
To avoid any potential danger to human health or environment, the refrigerator should be used
in safe regions to store toxic, harmful or radioactive particles.
If the refrigerator is to be decommissioned, unplug the power cord to avoid electric shock,
current leakage, or fi re caused by aged power lines.
If the refrigerator is left unused in area where supervision is unavailable for a long time, make
sure children are not near the unit and the door cannot be completely closed and locked.
End of life disposal of a unit should only be performed by a professional. Remove the door to
avoid accidents such as suff ocation.
Do not store flammable, explosive or volatile articles inside the refrigerator and do not use
fl ammable sprays nearby. This is to avoid an explosion or a fi re.
23

22
Model HYC-410
specifi cation 1
confi rmation 1
warranty card 1
Lock installation sheet 1
Performance Test Repor 1
Factory inspection report 1
plastic bag 3
key 2
shelf 6
power line 1
lock 1
ST4.2 bolt 2
M4 bolt 1
Packing List
3
Do not store corrosive articles such acid or alkali in the refrigerator. These chemicals can
damage internal components or electrical parts.
Do not place packaging plastic bags within the reach of children to prevent suffocation
accidents.
Do not climb to the top of the refrigerator or place plastic bags on top of the refrigerator. This is
to prevent tip over of the refrigerator, which can cause personal injury.
Do not use any metal objects such as iron nails or wires into holes, gaps or vents for internal air
circulation. This is to prevent personal injury due to contact of articles behind the holes.
Always check the settings in the controller after restarting a unit from a power outage or shut off .
Change of settings may cause damage to the products stored.
If the power is shut off, let the unit sit for 5 minutes before it is powered up again to avoid
damaging the compressor or the system.
Wear gloves when performing maintenance to prevent personal injury as a result of sharp edges
or corners.
Hold the knob when closing the door to prevent fi nger pinching.
The angle of inclination shall not be greater than 45° when handling the refrigerator.
Be aware of the danger of tripping when working with the refrigerator to avoid managing the unit
or personal injury.
Do not use the door knob to prevent refrigerator damage or personal injury.
Do not use electrical appliances inside the food storage compartments of the appliance, unless
they are of the type recommended by the manufacturer.
Do not damage the refrigeration line.
Position the refrigerator to make sure the power plug is accessible.
The appliance must be placed on a solid and fl at surface, or excessive vibration and noise may
be produced when the appliance in operation.
The appliance can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capacibilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in a safe way and understand
the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance
shall not be made by children without supervision.
Disposal of scrapped refrigerator shall be conducted by the relevant persons. This equipment
contains reusable materials and shall be disposed of properly - not simply discarded with
unclassifi ed household waste. Appliances that are no longer to be used must be disposed of in
aprofessional and appropriate manner in accordance with current local laws and regulations.
Keep ventilation openings, in the appliance enclosure or in the built-in structure, clear of
obstruction.
If your cabinet is to be discard, you must remove the door and leave the shelves in place. This
will reduce the posibility of danger to children. And the fl ammable foaming needs to be disposed
by professional persons.
HFO-1233zde foaming materials are fl ammable, need professional processing.

4
Application guidelines
• The battery in the refrigerator may be low after the refrigerator has been in storage for a long time.
Turn on the battery charge switch when the unit is powered up to allow the battery to be recharged.
The battery will be in full capacity after about a week’s charging.
• Before loading the refrigerators, make sure the unit is at set temperature. Do not load in more than
1/3 of the storage volume to avoid thermally overloading the unit.
• The display on the panel shows the sensor temperature located in the refrigerator. It is not
necessary the same as the temperature in the center of the refrigerator. The cabinet temperature will
gradually reach an equilibrium state.
• Only clean the unit with light soapy water. Never use brushes, acids, gasoline, soap powders,
polishing powders or hot water to clean refrigerators as these materials may damage the interior
painting and surface, parts and components. Never wide plastic parts with volatile solvents such as
gasoline.
• If the unit is to be stored for a long period of time, turn off the power switch and the battery charging
switch.
• To reduce the possibility of temperature fl uctuation in the refrigerator, please attempt to cut down the
time to open to the door to remove and load products.
• If the door is opened, the temperature of the refrigerator will warm up somewhat. That is normal.
The temperature will recover to a stable condition in a short time.
• The refrigerator is designed to operate at a condition of 16 ℃ to 32 ℃ and humidity less than
85%RH . Small amount of condensation can occur on the surface of the unit if the actual condition is
outside of this range. The storage temperature of the unit, however, is not impacted. To reduce the
condensation, please improve the ventilation and drop the ambient temperature if possible.
• Only professional people should perform maintenance work.
Meaning of crossed –out wheeled dustbin:
Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities.
Contact you local government for information regarding the collection systems available. If electrical
appliances are disposed of in landfi lls or dumps, hazardous substances can leak into the groundwater
and get into the food chain, damaging your health and well-being.
21
Specifi cation&Packing List
Specifi cation
Name Pharmaceutical Refrigerator
Model HYC-410
Exterior Dimensions
(W×D×H) (mm) 665×710×1965
Interior Dimensions
(W×D×H) (mm) 530×590×1380
Eff ective Volume 410L
Door Glass door
Insulation CFC-Free foamed-in-place urethane
Compressor Fixed Frequency Compressor
Shelves 6
Load ≤ 30kg
Refrigerating Method Force-air cooling circulation
Exterior / Interior Cold-rolled steel sheet with powder coated /HIPS plate
Condenser/Evaporater Wire and tube Condenser / Finned Evaporator
Temperature Control Microprocessor controlled
Interior light LED 1.5W
Net Weight 116kg
Voltage 220-240V~/50Hz
Rated Power/Current 350W/2.0A
Refrigerant R600a
power consumption 5.5 kW·h/24h
Alarm system high /low temperature,High ambient temperature, Power failure,
Communication failure,Sensor fault,Low battery,Door ajar.
Battery duration for alarm
system 24 h (when the battery is fully charged)
Rechargeable Battery DC 3.6V rechargeable battery

20
Circuit Diagram
Circuit diagram（HYC-410）
NCNO COM
NNC
FA NHTRCOMPL LIGH TN
N
N
CN1
CN2
CN3
CN4
CN5
CN6
CN8C N9
CN10
CN11
CN13
CN7
+
_
LED
CN12
J5 CN2
CN1
USBPinboard
USBboard
CN3
CN4
CN2
CN1
C
H
t
displayboard
communication
communication
humiture
physicalconnection
power
Internet o f
Everythin g
Modules
Displaysensor
doorswitch
sensor
battery
Compressor
Condensatefan
Aireblower
Remotealarmterminal
printer
Doorheatingtransformer
Doorheatingwire
Hightemperaturecontroller
groundwire cablebox
earthline
liveline
485
ambienttemperature
WIFI
battery
switch
controlsensor
5
Product Feature
The product is applicable to pharmacies, pharmaceutical factories, quarantine stations, health centers
and hospitals, used to store pharmaceuticals, medicine and other related products which need a
storage environment of 2~8℃.
1.Temperature Control
The unit is equipped with a computer control, digital display of temperature of 0.1℃ accuracy and a
temperature range of 2℃ to 8℃.
2.Safety System
• Multi-fault alarm (high and low temperature alarm, high ring temperature alarm, communication
failure alarm, low battery alarm, power failure alarm, sensor error alarm and door ajar alarm).
• Three alarm methods(Audible buzzer alarm, fl ashing indicator alarm and remote alarm).
• All independent components are safely grounded.
3.Refrigeration System
• Refrigeration system is optimized with high quality compressors and other components for a high
effi ciency performance.
4.User-friendly Design
• User-friendly design, computer control, smart and carefree, adjustment not required.
• High performance thermal insulation.
• Electric heated glass door with multiple anti-condensation technologies.
• Automatic removal of condensate water.
Note: Technical information might be somewhat diff erent on your refrigerator than published due to
continuous improvement.

6
• Ambient temperature: 16 ℃ to 32 ℃, the range of 18 ℃ to 25 ℃ is optimal. Air conditioning system
is required as necessary.
• Ambient humidity: below 85%RH.
• Avoid excessive dust.
• Avoid mechanical vibration.
• The refrigerator shall operate at an altitude lower than 2000m.
• Input voltage: no greater than ±10% of rated voltage.
• Indoor use.
The installation site shall meet following requirements for normal operation and best performance of
refrigerator:
• Do not install the refrigerator in a narrow and confi ned space as heat may be trapped to increase
ambient temperature. Additionally, the unit should not be installed in a space where the entry door
way is low to prevent an easy maneuver of the unit for maintenance and operation.
• The fl oor for the installation site should be solid and fl at. It should also be well ventilated and free
from direct sunshine.
• The power outlet for the refrigerator must be a dedicated power outlet. The power plug must be
plugged in to the outlet securely.
• Do not twist or jam the power cord.
• If the power cord needs to be extended, the cross section area of the conductor in the extended line
should be no less than 2 squared millimeters and no longer than 3 meter.
• Inspect the operating voltage range before operation. If the voltage supply is unstable, install a
voltage stabilizer of 4000 W or greater to ensure the supply voltage is within 10% of the rated voltage
supply.
• The refrigerator must be grounded reliably.
• Check the integrity of the socket ground before power up. If it is not grounded appropriately, repair
the wiring before installing the unit.
• Do not ground the refrigerator through gas lines, water lines, telephone lines, or lighting rods as
these devices may cause electric shock and danger.
• As the refrigerator is sensitive to the environmental temperature. The heating box
can not operate normally if it is installed in an environment other than the above.
Please use it after improving the environment.
• It is prohibited to install the refrigerator in the open air environment. When the
refrigerator gets wet in the rainwater, leakage of electricity or electric shock accidents
may possibly be caused.
Product Installation
Installation environment
Installation site
Caution
19
FAQ
If you have any questions about the operation of the refrigerator, please refer
to the table frequent asked questions as follows. Call Haier technical support
if you still have questions. Do not attempt to maintain or dismantle the unit by
yourselves.
Fault Troubleshooting
The refrigerator
does not work
Inspect the power supply to make sure it meets the requirement.
Inspect the connection between the power plug and the socket.
Check the power cord for any obvious damage.
Whether the voltage is too low
The refrigeration
eff ect is weak
and temperature
exceeds upper
limit.
The unit is loaded with too much warm sample and product.
There is a lack of space between stored samples.
There might be a direct sunlight or other heat radiation energy on the
refrigerator.
The door is opened too frequently.
Ambient temperature is too high.
Air duct is blocked.
Unit seems to
emit too much
noise.
Check the installation of the unit to make sure the unit does sit on a solid fl oor
without vibration.
Part of the refrigerator leans against a wall.
As a reference, the published sound data is obtained at specifi c laboratory
condition. It is normal that the actual sound level in the fi eld diff ers due to
subtle installation and operation conditions.
Alarm light
fl ashes and
alarm buzzer
sounds
Warm products have been placed into the unit recently and the refrigerator
has not stabilized yet at 2℃ to 8℃. The alarm condition will be automatically
corrected once the temperature reaches the set value.
The door is not closed properly.
The unit lost power recently and it is in the process of cooling down.
Ambient temperature might exceed the designed range.

18
The refrigerator has a built-in rechargeable battery. The battery is recyclable; when its service life
expires, please ask a local relevant battery recycling organization for check or discard it properly.
a.Battery location
The built-in battery of the refrigerator-freezer is used for power failure alarm and located in the
electrical compartment.et.
Rechargeable battery recycling
Caution • There are high-voltage electrical components in the electrical compartment.
• To avoid electric shock, the cover of the electrical cabinet must be opened by a
qualifi ed technician.
b.Battery removal
1) Unplug the unit from the power outlet.
2) Remove the screws on the cover with a screw driver.
3) Unplug the battery’s connecting plugs.
4) Remove the battery’s holding clip and remove the battery.
5) Recycle or dispose of the used battery as required.
When replacing the battery, make sure that brown wire is connected to the battery's positive pole and
blue wire to the battery's negative pole. Do not misconnect; otherwise the charging circuit of computer
board would be burned out easily and thus the battery cannot be charged.
Prohibition
7
1. Remove all packaging materials.
2. Inspect standard accessories shipped with the
unit
Inspect the accessories against packing list. Should
there be any discrepancy, contact the after-sale
department.
3. Installation
Le av e a mi n i m u m sp a c e of 10 cm a r o u n d
t h e r e f r i g e r a t o r f o r v e n t i l a t i o n a n d h e a t
dissipation(Pic.2).
Preparation before usage
• To carry the refrigerator before unpacking, you
can use a forklift or a cargo clamping truck If you
use a forklift, you should insert its fork from the
bottom of the wooden base on the front or back of
the refrigerator before the refrigerator is moved.
• If you use a cargo clamping truck, you should pick
it up from the bottom of the wooden base, and you
can only clamp the side of the refrigerator.
• To handle the refrigerator after unpacking, just
push it with the help of its casters.
• Do not tilt the refrigerator more than 45° during
handling.
Caution
4. Adjust the leveling leg
Rotate the leveling legs with a wrench in clockwise
to extend them out and secure them onto the
ground. This is to make sure the refrigerator does
not move during operation.(Pic.3).
Pic.2
Downward upward
Leveling legs
Pic.3
5. Standing
Do not immediately power up the refrigerator after it is installed. Let the unit stand still for 24 hours
and then power it up to ensure the unit works properly.
• The power plug and outlet should be located in a place where they can be accessed
easily and immediately in case of an emergency. Air vents must be free of obstruction.
• The power plug can be accessed after installation to ensure the power line can
be pulled out in a timely manner in emergency cases. The air vent shall free from
barriers.
Warning
> 30cm from the top
> 10cm from
the back
> 10cm from
the left
> 10cm from
the right

8
6. Installation of Shelves and Label strip
After mounting the shelf and label strip, place them on the liner plate slot at the appropriate distance.
7.Back Bracket
Remove four M5 bolts from the back of cabinet，then fi x the back
bracket for rear wall distance with the removed bolts.(See Pic.4）
Pic.4
8. Power line bracket installation
Use two M3.5 screws to fix the power line brackets to the
refrigerator. (See Pic.5)
For the power supply cable with loose prevention
hook it is not confi gured clamp stand.
Caution
Pic.5
17
• To avoid electric shock or personnel injuries, make sure to power off the
refrigerator before any repair work or maintenance is performed.
• Make sure no drug or aerosol around the refrigerator is inhaled during
maintenance, otherwise your health will be threatened.
• The refrigerator should be cleaned once a month to keep the appearance new and reduce the
chance for gem formation.
• Use a damp cloth to clean off dust on the refrigerator. If necessary, use light detergent water to
wipe off the unit if necessary. Then use a dry cloth to wipe it again.
• Do not dump water directly onto the interior of the unit to avoid damage to electrical systems.
• Compressor and other mechanical parts are hermetically sealed. They don’t need lubrication.
HYC-410 is equipped with a LED lamp. To replace the lamp, please contact the service department.
Cleaning and Maintenance
Refrigerator cleaning
Lamp replacement
Component Cleaning
Warning
If the refrigerator needs to be out of use for a long time, the power should be cut off .
Open the refrigerator door and take out the inner shelf.
Give the cooler a thorough cleaning.
Carry on cleaning to put aside rack.
After the refrigerators and shelves dry, put the shelves back into the refrigerators.
Close the door and cover the plastic bag for sealing.
Deactivate the cooler

16
Automatic Alarm Recovery
This series of refrigerator is has an automatic alarm recovery feature.
• When the system is in the alarm mode, you can press the “Silence” on the display panel to cancel
the alarm. (The remote alarm will not be stopped.)
• If the alarm condition still exists, the buzzer will return to the alarm mode again automatically 30
minutes later.
Remote Alarm Terminals
HYC-410 has remote alarm terminals:
• Remote alarm terminals are installed on t he
re fri gerat or an d the alar m s ignal behind the
compartment is output by the terminals. The bearing
capacity of the terminals is DC 30V, 2A.
• Terminal output:
Remote alarm terminals include NO, NC and COM.
The user can choose “NO” or “NC” if needed. It is
recommended that the length of remote alarm cable
should not exceed 3 meters.
• HYC-410 optional RS232 or 485 network interface:
The interface terminal is on the electric control case
cover at the back of the refrigerator.
After the connection, the temperature data can be
transmitted to the user monitoring software.
COM
NO
NC
• If alarm condition is not corrected within 30 minutes, buzzer and remote control contact will restart.
• If there is a power outage, a fully charged emergency battery can keep the alarm function in
working condition for 24h.
• Once the unit starts up and restarts after a long time in storage, charge the battery for to keep the
alarm function for 48h. Even if the battery discharges, remote alarm contact shall keep in working
condition.
• Press "Alarm Test " key. For each press, the buzzer goes off thrice with frequency as 1Hz
continuously. Meanwhile, the alarm indicator light flashes repeatedly, when a fault occurs, each
fault code will be displayed in turn.If the remote hardware is not in the alarm state, the remote alarm
relay will disconnect for 3 seconds and then pull off , and then decide to act according to whether the
alarm is needed.
Caution
9
Follow the fl ow chart below to start the refrigerator:
While the refrigerator is empty, connect the power line to the appropriate
dedicated socket and make sure the power supply in the socket matches the
required voltage and frequency.
The refrigerator has been preset to operate at 2~8℃ in the factory and it is not
required to set temperature.
After the power is switched on, turn on the battery charging switch. The audible
alarm is usually triggered. Press the buzzer to stop the alarm. The audible
alarm continues to operate until the temperature of the sensor reaches 5℃±3℃.
It usually takes several hours for the refrigerator temperature to reach a
stable condition. When the temperature becomes stable, inspect the actual
temperature to make sure it matches the set point.
Turn on the light switch and ensure the light inside the freezer operates properly.
When the refrigerator passes all the functional inspections, load in products in batches.
Initial Power-on

10
• This unit should be managed a dedicated professional person. Operating conditions should be
checked and recorded using appropriate methods. When the refrigerator temperature is out of
specifi cation, take proper actions to protect the stored samples. No products should be stored in
the unit unless the unit operates without issues.
• The refrigerator is a pharmaceutical refrigerator designed to operate within 2℃ to 8 ℃. Make
sur to store only products that fi t this temperature range.
• Due to the refrigeration effect, the displayed temperature may be somewhat different from
actual temperature and humidity. This is a normal process.
• Do not place any article in the space between liner bottom and underbed shelf of the
refrigerator to avoid blocking of air duct which may aff ect homogeneity of temperature inside.
• Warm products should only be loaded into the units in batches to reduce the load to the
cooling system. Overloading the system can cause the refrigerator temperature to rise and the
compressor to work under undesirable stress, which can shorten the life of the system.
• Do not damage the refrigeration lines.
• Do not use an electrical apparatus in the refrigerator without proper approval.
The control parameters are stored in the control system in the refrigerator even there is a power
outage. When the power recovers after the outage, the refrigerator continues to operate in
accordance to the set parameters before the power outage.
•If the unit is shut off , allow a 5 minutes hiatus before powering it up again.
•If the unit is to be shut down for a long time, be sure to turn off the power switch,
and the battery switch. Unplug the unit from the power outlet. This is to a hazardous
condition due to aging power lines.
•If the refrigerator is decommissioned and left unattended, make sure children cannot
get close to the refrigerator and the door cannot be closed completely.
• Installing Location: Install the Breaker on the back of cabinet. There is a special warning label.
• Operating Principle: It’s a device that trips like a switch and opens the circuit when over loaded.
This will protect the freezer’s entire circuit. To restart the unit, the user needs to press down the
switch and the unit will power on.
Overcurrent Protection Circuit Breaker Instruction
Operation after Power Outage
Warning
15
Alarm
The refrigerator has the alarm function in the following table, and also has the self-diagnosis
function.
Alarm Type Code Paraphrase Alarm mode
high temperature E00 Temperature sensors exceed
limits
Beep + alarm light blinking +
remote
low temperature E01 Temperature sensors exceed
limits
Beep + alarm light blinking +
remote
High ambient
temperature E09 Ambient temperature exceed limits The alarm light is always on
Power failure E02
Main power supply
disconnected or
malfunctioning
Alarm light fl ashing +
power light fl ashing +
beep + screen alternating
temperature + code +
remote
Communication
failure
E03
The display board and the
power board could not send or
receive data for 5 consecutive
times
Beep + alarm light fl ashing +
code + remote
E16
When the requested
temperature data from the
USB module is not received
for 1min
The alarm light is always on
Sensor fault
E04 Control sensor failure (open
circuit or short circuit)
Alarm light blinking +
buzzing + screen alternating
temperature + code +
remote
E07 Display sensor fault (open
circuit or short circuit)
Alarm light blinking +
buzzing + screen alternating
temperature + code +
remote
E08 Ambient temperature sensor
failure The alarm light is always on
Low battery E05 Battery voltage <2.0V The alarm light is always on
Door opening E06 Open for more than 2 minutes
Alarm light blinking +
buzzing + screen alternating
temperature + code +
remote
Alarm Function

14
USB Function
• Functions of USB interface
The computer has a USB function. Test data can be exported via the USB port. The computer can
automatically collect and store the test data within the recent 10 years. It collects data every other
6 minutes and stores them automatically. The latest data will automatically replace the earliest data
when the data storage is full.With a USB port plugged in, the computer will automatically identify
it and start to export data to the USB port.In the data exporting process, if you press “Lower”, the
screen will blink “USb”, which indicates the data are now exporting and not fi nished yet. After blinking
5s, it exits and displays the actual temperature in the case.If the displays “ALL” stably, the data export
is finished. It exits 5s later can displays the actual temperature in the case.The USB port can be
removed at this point. The exported data are in the following formats:
Date Time Inner Temp Setting Temp
20191108 11:21 4.1 4
20191108 11:27 4.1 4
20191108 11:33 4.1 4
... ... ... ...
• Time setting of USB interface data recording (time system current setting):
Press the “Lower” for 10s and the display area of inner temperature shows “1P” stably. Press
the“Upper ”and “Lower” to switch to 2P(month),3P(day),4P(hour),5P(minute),6P(second). To set
the year,press the “Set” on the 1P screen,the display area fl ashes the year.Press the “Upper ” or
“Lower” to select the year, and the display cycles from 15 to 99,If 2019 is set, select 19, press the
“Set” to save confi rmation and automatically return to 1P.Press the alarm button or no operation in 10
seconds, it will return to the box temperature display.
Caution Please checking the time before use, if the time is not right, follow the upper method
to adjust the time. Wait for one minute to download the datas after adjustment.
11
Component Names ● Control Panel
Component Names
• HYC-410
Door lock
USB port(Optional
Battery switch
)
Door ajar
alarm switchInterior light
Shelf
Glass door

12
Control Panel

Compressor
Defosting
Power
Alarm
Silence Alarm
Test
Light Set Upper Lower
13
Application method
Temperature display
Caution
The displayed temperatures indicate upper and lower temperatures of the refrigerator perceived
by the sensor in glycerin bottle. It is not always of 5 ℃. Temperature sensor indicates average
temperature inside the refrigerator.
TEMP. SET
If you want to reset the temperature, for example, 5℃ is set originally and you want to change the
temperature to 5.5℃, please operate according to the following steps:
TEMP. SET
Key Operation Display
1 The temperature in the refrigerator displays.
2 Press “Set” for 5s at the same time. TS
3 Click “Set” The current parameter value fl ashes.
4
Adjust the parameter value by pressing
the “Upper” and “Lower” key,pressing
the “Set” key to save.
The temperature in the refrigerator displays.
Defrost Cycle
Forced defrost cycle
When the accumulative startup time of the compressor reaches a certain value (8 hours by
default),the equipment will start the forced defrost cycle. Once the frost is thawed, the refrigerator will
resume normal operation. The temperature in the box may rise during the defrosting cycle.