Frequently Asked Questions

Q:Compressor does not running

A:Check whether the power in control panel is off or temperature setting is wrong.

Q:The unit cannot power on?

A:Check whether the power line is well connected to power source.

Q:Temperature cannot reach the set point?

A:Check if there is thick frost in cabinet，Check the door is closed tightly and do not open the door very often.

Q:Storage method?

A:Designed for liquid and gas phase storage

Q:Filling of liquid nitrogen

A:When the liquid nitrogen tank is filled with liquid nitrogen for the first time, or when it is refilled with liquid nitrogen after long-term use, it must be pre-cooled first.

Q:Parameter setting or password forgot issue？

A:Please contact to technical.service@zkmeiling.com，please send nameplate and display screen pic. Service engineer will reply you with solution ASAP.