Display 198 — Terminal Block Thermal Fuse Open Error

What does 198 mean?

This error means the thermal fuse in the terminal block has tripped or blown, likely due to overheating.

• Overheating event
• Faulty thermal fuse

Click steps to track your progress.

1. 1

   Allow the unit to cool down completely.

2. 2

   Check for any obstructions around the unit that might be causing poor ventilation.

3. 3

   If the thermal fuse has tripped, it may indicate an underlying issue causing overheating.

4. 4

   Contact a qualified technician to inspect the thermal fuse and investigate the cause of overheating.