Siemens LME7 Series Burner Control
Siemens LME7 Series Burner Control Loc 139: No program module detected
The Siemens flame safeguard locks out the burner because it cannot detect the required program module.
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
- Loc 139
- Name
- No program module detected
- Controller
- Siemens LME7 Series Burner Control
- Type
- Internal fault
- 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 2 common causes listed for this code
- Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)
Questions about this code
What does Siemens LME7 Series Burner Control Loc 139 mean?
The Siemens flame safeguard locks out the burner because it cannot detect the required program module.
Is Siemens LME7 Series Burner Control Loc 139 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 LME7 Series Burner Control Loc 139?
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 LME7 Series Burner Control codes
Loc 2 · No establishment of flame at the end of Loc 4 · Extraneous lightLoc 7 · Loss of flameLoc 10 · Error not relatable (application), interLoc 14 · POC errorLoc 22 · Safety loop openLoc 60 · Analog power source 4 to 20 mA, I < 4 mALoc 83 · Faulty PWM fanLoc 206 · AZL2 incompatibleLoc 225 · Faulty PWM fan
All 11 Siemens LME7 Series Burner Control codes · Every fault code