Why is the lab water bath not cooling?

If the lab water bath suddenly does not cool during use, and the situation caused by non-human factors, we can check the reasons why the instrument does not cool from the following aspects.

Cause 1: The cooling fuse is damaged

Solution: Check the replacement fuse

Reason 2: Refrigerant leak

Solution: check pressure, check leak supplement refrigerant

Cause 3: The condensing motor does not turn or is damaged

Solution: Check if the blades are stuck or detect replacement clicks

Reason 4: Damage to the compressor thermal protection

Solution: Check and replace the compressor

Cause 5: The motherboard controller is faulty.

Solution: Detect replacement control board

Cause 6: The heater is out of control, often heated

Solution: Detect and replace the thyristor or control board