Symptom: Not heating
Causes:
1. Power supply is abnormal or power failure;
2. The fuse has blown;
3. Poor contact between the power cord plug and the electric socket, or the power cord wire is open;
4. The lead or lead of the electric heating tube (core) falls off;
5. The electric heating tube (core) is burnt out;
6.The thermostat contacts have poor contact or are melted off.
Treatment:
1. Use after power supply is normal;
2. Replace the fuse of the same model;
3. Repair or replace;
4. Re welding;
5. Replace the electric heating pipe (core) of the same specification;
6. Repair or replace
