How to deal with the failure of the incubator shaker during use

The constant temperature shaker is a biochemical instrument that integrates constant temperature control and regular oscillatio.
It is also indispensable for the precision cultivation and preparation of plants, biology, microorganisms, genetics, virus medicine, environmental protection, food, petroleum, chemical industry and other scientific research, education and production department.
laboratory equipmen.
Fault 1: The constant temperature shaker does not heat, and the vibration is norma.
Treatment method: First, judge whether the heating tube is damage.
If it is damaged, it needs to be replaced, and then judge whether the temperature control part is damage.
If it is damaged, it needs to be replace.
Trouble 2: The constant temperature shaker is heated normally, but the oscillation cannot wor.
Solution: Open the side panel of the control cabinet, turn on the power supply, set the temperature control to 0 degrees, turn on the oscillation switch, adjust the speed to the highest, and use a multimeter to measure AC 25 Check whether the transformer has 220V voltage input, if not, the switch is broken, otherwise, measure whether the transformer has 12V voltage output, if not, the transformer is broke.
At this time, do not easily replace the transforme.
Most of the cases are short-circuit faults in the rectifier part of the circuit board or the moto.
After eliminating the above conditions, replace i.
Fault 3: The constant temperature shaker is heated normally, and the oscillation speed becomes slo.
Solution: Open the side panel of the control cabinet, turn on the power supply, set the temperature control to 0 degrees, turn on the oscillation switch, adjust the speed to the highest, and find the speed control boar.
The two adjustable resistors on the left side can be solved by adjusting the right one counterclockwis.
Fault 4: The temperature of the constant temperature shaker fluctuates greatl.
Solution: It may be that the cooling mode is not set correctly, and reset it according to the instruction manua.
Fault 5: The measured temperature is too high and it often enters the over-temperature alarm stat.
Solution: The starting control temperature is too high, open the vent on the back of the instrument or activate the cooling butto.
Fault 6: The temperature in the box fluctuates greatly, and the temperature is lo.
Treatment method: It may be caused by frequent opening and closing of the box door, so try to avoid frequent opening and closing of the box door during us.
Fault 7: The constant temperature shaker does not run, and the panel has no displa.
Solution: Check whether the external power supply is not connected or the fuse is burned, whether the power plug of the instrument is properly inserted, whether the power socket has electricity, and whether the power switch is turned o.
Fault 8: The constant temperature shaker is noisy during operatio.
Solution: If the shaker is not flat, adjust the feet of the instrument to make the instrument land smoothly; or the porous tray may be loos.