LME troubleshooting answers
5 questions with answers cited from the manufacturer manuals.
- 0Siemens LME11 blinks 10 times after replacing the unit, what to check?
A Siemens LME series gas burner control blinking red 10 times indicates a wiring error, an internal fault, or a problem with its output contacts. This fault can occur at any point in the sequence, often after wiring work…
- 0Siemens LME 7 blinks: flame loss during operation, what to check?
A Siemens LME control showing 7 red blinks indicates too many losses of flame during operation. This means the flame was established but then lost while the burner was running, exceeding the allowed repetitions. For LME1…
- 0Siemens LME21 blinks 5 times and locks out after a minute, what to check?
A Siemens LME21 gas burner control blinking 5 times indicates an 'Air pressure switch time supervision' fault. This means the air pressure switch was already in its working position when the burner control expected it to…
- 0Siemens LME 4 blinks: extraneous light at startup, what to check?
A Siemens LME burner control showing 4 red blinks and a green-red signal lamp during startup indicates extraneous light. This means the flame detector reported a flame before any fuel valves opened, which is a startup pr…
- 0Siemens LME21 2 blinks: No flame at end of safety time, what to check?
A Siemens LME21 controller displaying 2 red blinks indicates that no flame was established by the end of the safety time (TSA) after the fuel valve opened and ignition was attempted. This is a non-alterable lockout on LM…