- 22
- Mar
Common reasons why the box-type resistance furnace does not heat up
Common reasons why the tungku résistansi box-type does not heat up
1. The grid voltage is too low;
2. The unbalanced value of the three-phase current exceeds 20%;
3. The electric heating element is open circuit or lack of phase;
4. The resistance value of the electric heating element does not meet the requirements;
5. The power of the electric heating element is reduced;
6. There is a short-circuit phenomenon in the electric heating element;
7. Too much furnace charge;
8. The performance of the heat shield or furnace lining is deteriorated, and the heat dissipation is too large;
9. The connection method of the electric heating element is wrong;
10. The output voltage of the furnace transformer is low;
11. The output power of the power regulator is too small;
12. The temperature control device is malfunctioning.