Honeywell S89 / S8600 Direct Spark Ignition Module
Honeywell S89 / S8600 Direct Spark Ignition Module Ignition safety lockout (failed trial)
The main burner failed to ignite during the trial period, causing the gas control to close and locking out the system.
Safety first. This code involves a gas, flame or electrical hazard. Do not keep resetting it. Leave burner, gas train and high voltage work to a qualified technician. WERCS answers 24/7 at (877) 489-3727.
- Code
- Ignition safety lockout (failed trial)
- Name
- Not named in the manual
- Controller
- Honeywell S89 / S8600 Direct Spark Ignition Module
- Type
- Ignition lockout
- What it does
- Lockout: the control shuts down and stays off until it is reset
- Risk
- RED Specialist territory
- Reset
- Needs a manual reset
- Source
- The manufacturer's manual (subscribers see which manual and page)
Updated July 22, 2026
How to fix it
Subscribers get:
- What to do next, in plain words
- Which manufacturer manual it comes from, linked
- The 4 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 S89 / S8600 Direct Spark Ignition Module Ignition safety lockout (failed trial) mean?
The main burner failed to ignite during the trial period, causing the gas control to close and locking out the system.
Is Honeywell S89 / S8600 Direct Spark Ignition Module Ignition safety lockout (failed trial) dangerous?
It is graded red, specialist territory: it involves a burner, gas, flame or safety lockout, so leave the repair to a qualified technician.
How do I fix Honeywell S89 / S8600 Direct Spark Ignition Module Ignition safety lockout (failed trial)?
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 S89 / S8600 Direct Spark Ignition Module codes
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