Our industrial and lab furnaces are built to last for years with proper care. If your Muffle Furnace stops working correctly, check these simple fixes before calling for service.

Common Problems and Solutions

1. Furnace Not Heating

• Check fuse in control cabinet; replace if broken
• Test heating elements: Turn off power, open top cover, and test heater connections with a multimeter. If no buzzer sound, replace the heater
• For heating wire issues, contact an engineer

2. Display Shows 1818

• Replace thermocouple

3. Furnace Trips

• Check circuit breaker capacity
• Consult an electrician

4. Temperature Control Issues

• Likely trigger malfunction
• Contact an electrician

Need More Help?

• For replacement parts or other issues, please contact our support team.
• We provide quick assistance for all furnace types.
• Spare parts available: heating elements and other components.

This guide covers basic troubleshooting for all our furnace models. For serious issues, please contact our technical team for immediate support.