Super constant temperature oil baths and water baths often have various problems in use, so they are very distressed. For example, when the temperature setting and temperature measurement are normal but not heated, in this case, it can be observed whether the heating indicator is bright. If it is bright, it means that the heating tube is broken. If the resistance is very large, the heating tube is broken, the resistance is normal, and the relay is mostly damaged. In addition to the above-mentioned faults, there are still many faults in the operation, for everyone. Summarize the following frequently occurring faults.
1. Over-temperature phenomenon: Observe whether the heating indicator light is extinguished after reaching the set temperature. If it is off, there is no problem on the temperature controller. Only the relay needs to be replaced. If the heating indicator is on, then the temperature controller is broken. Replace the temperature controller.
2, after a period of use, the temperature can not be added, in this case, because the heating tube resistance is increased or the connection line with the heating pipe is rusted, as long as the heating tube can be replaced, if it is because the resistance becomes larger, as long as the connection will be The wire ends are cut off, and the rusted parts of the heating pipe joints are cleaned and reconnected.
3, the temperature display shows a decline, this phenomenon occurs in the replacement of new sensors, just change the sensor positive and negative.
4, the screen display shows 000 or 999, etc., the sensor is open or shorted, can be replaced.
5. There is no power supply in the whole machine. Check whether the power socket has power, whether the fuse is intact, and whether the power switch has fault. This fault is mostly caused by the power switch.
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1. Over-temperature phenomenon: Observe whether the heating indicator light is extinguished after reaching the set temperature. If it is off, there is no problem on the temperature controller. Only the relay needs to be replaced. If the heating indicator is on, then the temperature controller is broken. Replace the temperature controller.
2, after a period of use, the temperature can not be added, in this case, because the heating tube resistance is increased or the connection line with the heating pipe is rusted, as long as the heating tube can be replaced, if it is because the resistance becomes larger, as long as the connection will be The wire ends are cut off, and the rusted parts of the heating pipe joints are cleaned and reconnected.
3, the temperature display shows a decline, this phenomenon occurs in the replacement of new sensors, just change the sensor positive and negative.
4, the screen display shows 000 or 999, etc., the sensor is open or shorted, can be replaced.
5. There is no power supply in the whole machine. Check whether the power socket has power, whether the fuse is intact, and whether the power switch has fault. This fault is mostly caused by the power switch.
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