8 flashes
Check igniter or improper grounding
This code typically points to
- Not explicitly detailed in accessible legacy brochure snippet
Next checks to confirm
- Inspect igniter continuity/condition
- Verify unit grounding
- Inspect igniter wiring and control output
Escalation
Heat cycle inhibited until igniter/ground problem is corrected
Reset behavior
Clears after normal igniter circuit and grounding are restored.
Urgent
Fix now