Siemens 4 troubleshooting answers
1 question with answers cited from the manufacturer manuals.
- 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…