HEX: 8A - Glow plug / electronic ignition unit interruption

Fault Details:

• The glow plug/flame monitor is interrupted or shorted to supply voltage (UB).

Recommended Solution:

1. Perform an electrical check of the glow plug.

2. Visually inspect the unit, seal, threads, cables, and connections to ensure they are undamaged and fully seated.

3. Check electrical continuity.

Note: Fault code meanings can vary depending on the model and controller. If you’re unsure, contact Heatso directly.