1. Question: After the display is turned on, the display remains black.
Answer: Possible causes are: no voltage; the power cord is not connected; the fuse is blown; the instrument is damaged.
2. Question: The measurement time is too long.
A: It may be that the selected shutdown mode is not appropriate. Try replacing a suitable shutdown mode.
3. Title: The instrument cannot be heated after starting the test.
A: The thermal unit may be activated due to overheating of the drying unit. For safe operation, the instrument is equipped with double overheat protection: the drying unit has thermal overload protection (bimetallic sensor) to shut down the heating unit. In this case, please contact your supplier.
4. Problem: The repeatability of the measurement is poor.
A: The possible reasons are: 1. The sample is not uniform. For example they have different ingredients. The more uneven the sample, the more samples are needed to get better repeatability results. 2. The drying time selected is too short. Extend the drying time or choose the appropriate shutdown mode "weight loss per unit time". 3. The sample is not completely dry (eg due to surface crust). Try mixing quartz sand for drying. 4. The selected temperature is too high or the sample is oxidized. Reduce the drying temperature. 5. The sample boils and continually splashes to change the temperature. Please clean the protective glass. 6. When the protective glass is eroded, the heating amount cannot be fully exerted. Please clean the protective glass. 7. The temperature sensor is contaminated or damaged. Please clean the temperature sensor. 8. The console is not stable. Please apply a stable console. 9. The external environment is unstable (vibration, etc.).
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