Siemens LME71 Series Basic Documentation page 48

Red blink code of fault signal lamp
2 x blinks
3 x blinks
4 x blinks
5 x blinks
6 x blinks
7 x blinks
8 x blinks
9 x blinks
10 x blinks
12 x blinks
13 x blinks
14 x blinks
15 x blinks
Smart Infrastructure
Error code table
Possible cause
No establishment of flame at the end of the safety time
- Faulty or soiled fuel valves
- Defective, soiled or incorrectly connected flame detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
Air pressure switch faulty
- Loss of air pressure after specified time
- Air pressure switch welded in no-load position
Extraneous light on burner startup
Time supervision air pressure switch
- Air pressure switch welded in working position
Actuator position not reached
- Actuator faulty
- Wrong adjustment of cam
- Actuator defective or blocked
- False connection
- Misadjustment
Too many losses of flame during operation (restart limitation)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
Free
Free
Non-volatile lockout with alarm output switched on at terminal X2-03
pin 3 (fault lamp ON)

Wiring error or internal error, other errors
Non-volatile lockout with alarm output switched off at terminal X2-03
pin 3 (fault lamp OFF)

Output contact error (welded contact of an output relay)
Valve proving
- Fuel valve V1 leaking
Valve proving
- Fuel valve V2 leaking
Error in connection with valve closure control POC
Error code ≥15, dependent on PME7
E.g. error code 20: Failure of gas pressure switch-min
E.g. error code 22: Error of safety loop
During the time the cause of fault is diagnosed, the control outputs are deactivated
Burner remains shut down
-
External fault indication (alarm) at terminal X2-03 pin 3 steady on
-
Diagnostics of cause of fault is quit and the burner switched on again by resetting the
burner control. Press the lockout reset button (info button) for about 1 second
(<3 seconds).
Basic Documentation LME7...
7 Operation, indication, diagnostics
48/116
CC1P7105enr
24.07.2020