এর সমাধান বক্স-টাইপ প্রতিরোধের চুল্লি গরম করা, উত্তপ্ত করা

1. Check the grid voltage;

2. Measure whether the resistance of the three groups of electric heating elements is consistent;

3. Check the fault point of the electric heating element;

4. Measure whether the limits of the three groups of electric heating elements are within the allowable range;

5. Replace the electric heating element;

6. Eliminate short-circuit points;

7. Reduce the amount of loading;

8. Replace the heat insulation layer, or reduce the heat dissipation, such as cooling water flow;

9. Connect the electric heating element correctly;

10. Check the furnace transformer;

11. Check or adjust the power regulator;

12. Eliminate the malfunction of the control device.