Honeywell S8610U Intermittent Pilot Ignition
Honeywell S8610U Intermittent Pilot Ignition code Heartbeat
The normal startup and ignition sequence has begun, allowing the burner to proceed with firing.
- Code
- Heartbeat
- Name
- Not named in the manual
- Controller
- Honeywell S8610U Intermittent Pilot Ignition
- Type
- General fault
- What it does
- Warning: the equipment keeps running and flags a problem
- Risk
- GREEN In your wheelhouse
- Reset
- Clears on its own when the condition goes away
- Source
- The manufacturer's manual (subscribers see which manual and page)
Updated November 4, 2026
How to fix it
Subscribers get:
- What to do next, in plain words
- What the manual says to do, and the page it is on
- Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)
Questions about this code
What does Honeywell S8610U Intermittent Pilot Ignition code Heartbeat mean?
The normal startup and ignition sequence has begun, allowing the burner to proceed with firing.
Is Honeywell S8610U Intermittent Pilot Ignition code Heartbeat dangerous?
It is graded green: in a working tech's wheelhouse with standard tools and low risk.
How do I fix Honeywell S8610U Intermittent Pilot Ignition code Heartbeat?
The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.
Other Honeywell S8610U Intermittent Pilot Ignition codes
All 11 Honeywell S8610U Intermittent Pilot Ignition codes · Every fault code