Honeywell S8610U Intermittent Pilot Ignition
Honeywell S8610U Intermittent Pilot Ignition code 8
The secondary voltage supply is too low, preventing the burner control from operating the equipment.
- Code
- 8
- Name
- Not named in the manual
- Controller
- Honeywell S8610U Intermittent Pilot Ignition
- Type
- Low voltage
- What it does
- Fault: the equipment trips and stops
- Risk
- YELLOW Booth plays by its own rules
- 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
- The 2 common causes listed for this code
- The step by step check for this problem, one check at a time
- 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 8 mean?
The secondary voltage supply is too low, preventing the burner control from operating the equipment.
Is Honeywell S8610U Intermittent Pilot Ignition code 8 dangerous?
It is graded yellow: not hard, but a booth does it differently than the gear most techs know, so follow the checks in order.
How do I fix Honeywell S8610U Intermittent Pilot Ignition code 8?
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
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