Siemens LME2x / Ecoflam E-BCU Gas Burner Control
Siemens LME2x / Ecoflam E-BCU Gas Burner Control 3 blinks: Red LED: 3 blinks
The air pressure switch is faulty or welded in the normal position, which locks out the burner.
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
- 3 blinks
- Name
- Red LED: 3 blinks
- Controller
- Siemens LME2x / Ecoflam E-BCU Gas Burner Control
- Type
- Air pressure
- 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 23, 2026
How to fix it
Subscribers get:
- What to do next, in plain words
- Which manufacturer manual it comes from, linked
- The 3 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 Siemens LME2x / Ecoflam E-BCU Gas Burner Control 3 blinks mean?
The air pressure switch is faulty or welded in the normal position, which locks out the burner.
Is Siemens LME2x / Ecoflam E-BCU Gas Burner Control 3 blinks 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 Siemens LME2x / Ecoflam E-BCU Gas Burner Control 3 blinks?
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 Siemens LME2x / Ecoflam E-BCU Gas Burner Control codes
2 blinks · Red LED: 2 blinks4 blinks · Red LED: 4 blinks5 blinks · Red LED: 5 blinks7 blinks · Red LED: 7 blinks10 blinks · Red LED: 10 blinks14 blinks · Red LED: 14 blinks
All 7 Siemens LME2x / Ecoflam E-BCU Gas Burner Control codes · Every fault code