Solution: Put the items into the equipment after they are naturally cooled. Put the items in small
quantities in batches, and do not put too much at a time. After the system runs stably, The high
temperature alarm and low temperature alarm will be released automatically.
¿ The equipment can only be repaired, maintained or improved by the engineers certified by MELING
BIOMEDICAL, so as to ensure the normal operation of the equipment and the compliance with
corresponding safety standards.
① When the compressor starts and stops, the equipment parts will make a slight impact sound;
② When overheated items are put in after the door is opened, high temperature alarm and high humidity
alarm will be triggered in the control system (if this function is available, please refer to the alarm
display table);
③ Slight sound of water caused by refrigerant flowing in the pipeline.
¿ Please clean and disinfect the equipment before notifying the maintenance engineer; During the
warranty period of the equipment, the Company will not undertake the warranty obligation if the fault or
damage is caused by improper use of the user.
The following conditions are not faults
¿ Ambient temperature for storage: -40°C ~ +55°C, relative humidity: 10% ~ 90%.
15
Notes:
Fan motor replacement time: about 6 years; Service life of the product: 10 years.
Any product may fail. Please observe the operation of equipment in time during use. If there is any
abnormality, please check and handle it according to the following table first. If the abnormality can't be
changed, please inform our service center in time, and we will serve you wholeheartedly to avoid losses.
Problems
Equipment does not
work
Compressor is not
running
The temperature
does not reach the
set value
High noise
Condensation on
cabinet body surface
Abnormal smell
The door is not
closed properly, and
the cool air leaks
The alarm lamp
flashes and the
buzzer is triggered
Lighting damage
(refrigeration
equipment)
Causes and solutions
Please make sure that the outlet is energized.
Please make sure the supply voltage is appropriate, not too low or too high.
Please make sure the power fuse is not disconnected.
Please make sure power plug is plugged in, not loose.
Please check whether the temperature inside the cabinet is too low.
Please make sure that the temperature is set correctly.
Please don't put too many items in at one time.
Please make sure that the ambinet temperature is not too high.
Please make sure that the door is closed tightly and don't open it too many times
during a short time.
Please make sure that the cabinet does not contact the wall.
Please make sure that the cabinet is placed on a flat ground.
In rainy and humid seasons, door condensation is normal, and it shall be wiped off
with a dry doth.
Items with heavy smell are not packed.
Equipment needs to be cleaned.
After the equipment is used for a period of time, the door seal becomes hard and
deformed.
Maintenance method: Blow the deformed part of the hot seal with a blower to
soften it, and then dose and compress it after the door seal becomes soft.
Please make sure that it will be automatically eliminated after running for a period
of time because of low battery.
Please make sure that it will be automatically eliminated after running for a period
of time when the items are just put in and the temperature has been stable.
Please make sure that the alarm is generated for door opening since the door is
not locked.
Please make sure that the temperature does not exceed the standard.
Please call the after-sales telephone and contact after-sales service personnel of
MELING BIOMEDICAL for replacement. Please do not replace the parts by
yourself.
8. Troubleshooting and Maintenance Services
14
¿ In order to prevent people from getting electric shock or injury, please cut off the power supply of the
equipment before any repairs and maintenance
Defrosting: The equipment will automatically defrost during operation, which is convenient to use.
¿ Make sure you don't inhale drugs or suspended particles around it when maintaining the equipment,
otherwise it will harm your health
Cleaning and maintenance: The equipment should be cleaned and maintained regularly (for safety,
please unplug the power plug), and the inner and outer surfaces of the cabinet body should be wiped
with a warm, damp soft cloth.
¿ Do not use hot water, corrosive detergent or organic solvent to clean the cabinet body.
¿ Do not place heavy objects on top of the equipment, as the equipment may deform under pressure.
7.2 Equipment Discontinuation
¿ Do not sprinkle water directly on the cabinet body, lest the insulation performance of electrical
components decrease and metal parts rust.
Scrapping: When the equipment reaches the end of its service life, it should be scrapped and must be
handed over to a qualified professional recycling agency for disposal per local regulations. Non-
professionals are not allowed to disassemble and break down the equipment without authorization. The
scrapped equipment should be placed in a designated area inaccessible to children to avoid danger.
7.1 Equipment Maintenance
¿ The air switch on the back of the case can not only contact and open the power circuit, but also provide
immediate protection in the event of short-circuit faults, severe loads and undervoltage in the power
circuit, and it can also be used to start the compressor infrequently to protect the equipment.
Deactivation: If the equipment is stored in an unsupervised area for a long time and not used, the power
supply should be cut off and the inner and outer surfaces of the cabinet body should be cleaned with a
warm, damp soft cloth, aired and sealed. The equipment must be locked to ensure that children cannot
open the freezer door.
Warning:
7. Defrost, Discontinuation and Maintenance
Note:
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