TROUBLESHOOTING

If the unit malfunctions, check out the following before calling for service.

Malfunction

 

Check/Remedy

The chamber is not cooled

The voltage is too low.

(In this case, call an electrician.)

at all

The breaker is free.

 

The fuse is blown.

 

 

 

 

Sometimes the freezer is not cooled at all for about 5 minutes after

 

starting-up.

 

The cooling is poor

The ambient temperature is too high.

 

The door is not shut tightly.

 

The inner lid is not installed correctly.

 

The set temperature in the controller is not set properly.

 

The grille is blocked out.

 

The filter is clogged.

Clean the filter when the filter check lamp

 

blinks.

 

 

The freezer is in the direct sunlight.

 

There is any heating source near the freezer.

 

A rubber cap and insulation for the access port are not set

 

correctly.

 

 

You put too many unfrozen articles into the freezer compartment.

 

Too much frost is accumulated in the chamber.

Alarm test key cannot

The alarm test key does not function when the power switch of

actuate the alarm

the freezer is OFF.

 

When only the buzzer or only the alarm is actuated by the alarm

 

 

test key, the unactuated part is out of order, and must be replaced.

Noise

The freezer is not installed on the sturdy floor.

 

There is anything touching the frame.

 

The freezer is not leveled with the leveling feet.

 

It is the immediately after starting of refrigeration.

 

The freezer causes larger noise when the chamber temperature is

 

high because of large load. The noise gets smaller along with

 

chamber temperature.

 

 

 

CO2 back-up test switch

The liquid CO2 cylinder is empty.

does not operate normally

The valve of the liquid CO2 cylinder is not opened.

(when the back-up system

The ambient temperature is too high. In this case, move the

is provided)

liquid CO2 cylinder to a cool location.

Inquire at liquid CO2 suppliers about cylinder check, adjustment,

 

 

installation, or move.

 

Note:

 

 

If the malfunction is not eliminated after checking the above items, or the malfunction is not shown in the

above table, contact Sanyo sales representative or agent.

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Sanyo MDF-594C instruction manual Troubleshooting, Malfunction Check/Remedy

MDF-594C specifications

The Sanyo MDF-794C and MDF-594C are advanced laboratory refrigerators designed for the safe storage of biological samples, vaccines, and sensitive materials. These models stand out due to their robust construction, user-friendly features, and innovative technologies that cater to the requirements of research institutions, hospitals, and laboratories.

One of the main features of the Sanyo MDF-794C is its large capacity, which makes it suitable for facilities with high storage demands. The refrigerator can accommodate a significant volume of samples while maintaining a stable internal environment. The MDF-594C, while slightly smaller, still offers ample storage space without compromising on performance.

Both models incorporate advanced cooling technologies, including a reliable compressor system that ensures rapid temperature recovery even during door openings. They are capable of maintaining temperatures ranging from -10°C to -30°C, ideal for a variety of laboratory applications. Temperature uniformity is a crucial aspect of sample preservation, and Sanyo’s state-of-the-art design guarantees even distribution of cold air throughout the cabinet.

Energy efficiency is another notable characteristic of the Sanyo MDF-794C and MDF-594C. These models are designed to operate with minimal energy consumption, thereby reducing operational costs and environmental impact. Additionally, they are equipped with a reliable insulation system, which helps maintain consistent temperatures while minimizing energy loss.

User-friendliness is emphasized in the design of both refrigerators. They feature intuitive, programmable digital control panels that allow users to set and monitor temperatures easily. The alarms for temperature deviation and system malfunctions ensure that users are promptly alerted to any issues, enhancing safety and reliability.

Another significant feature is the inclusion of a self-diagnostic system in both models, which continuously monitors the performance of the unit. This capability aids in early detection and troubleshooting, thus maintaining optimal operating conditions.

The Sanyo MDF-794C and MDF-594C also prioritize hygiene and cleanliness, with easy-to-clean interiors that help prevent contamination. Their design allows for easy organization of samples, thus improving workflow within the laboratory.

In conclusion, the Sanyo MDF-794C and MDF-594C are exemplary laboratory refrigerators characterized by their capacity, advanced cooling technologies, energy efficiency, user-friendly controls, and commitment to sample safety. These attributes make them invaluable assets in any laboratory setting, ensuring the integrity and reliability of stored materials.