Fireye MicroM Burner Control
Fireye MicroM Burner Control Lockout Flame Fail - MTFI
The burner locked out and shut off the fuel because the main flame was not detected during the main ignition trial.
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
- Lockout Flame Fail - MTFI
- Name
- Lockout Flame Fail - MTFI
- Controller
- Fireye MicroM Burner Control
- Type
- Flame failure
- 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 Fireye MicroM Burner Control Lockout Flame Fail - MTFI mean?
The burner locked out and shut off the fuel because the main flame was not detected during the main ignition trial.
Is Fireye MicroM Burner Control Lockout Flame Fail - MTFI 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 Fireye MicroM Burner Control Lockout Flame Fail - MTFI?
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 Fireye MicroM Burner Control codes
Lockout Intrlck Open · Lockout Intrlck OpenLockout Check Scanner · Lockout Check ScannerLockout Check BLOWN FUSE · Lockout Check BLOWN FUSELockout Flame Fail - AUTO · Lockout Flame Fail - AUTOLockout Flame Fail - PTFI · Lockout Flame Fail - PTFILockout False Flame - STANDBY · Lockout False Flame - STANDBY