Siemens LME7 Series Basic Documentation

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Building Technologies Division Basic Documentation LME7... CC1P7105en
Infrastructure & Cities Sector 7 Operation, indication, diagnostics 29.11.2011
Error code table
Red blink code of fault signal lamp Possible cause
2 x blinks No establishment of flame at the end of the safety time
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner, no fuel
- Faulty ignition equipment
3 x blinks Air pressure switch faulty
- Loss of air pressure after specified time
- Air pressure switch welded in no-load position
4 x blinks Extraneous light on burner startup
5 x blinks Time supervision air pressure switch
- Air pressure switch welded in working position
6 x blinks Actuator position not reached
- Actuator faulty
- Wrong adjustment of cam
- Actuator defective or blocked
- False connection
- Misadjustment
7 x blinks Too many losses of flame during operation (limitation of repetitions)
- Faulty or soiled fuel valves
- Faulty or soiled flame detector
- Poor adjustment of burner
8 x blinks Free
9 x blinks Free
10 x blinks Wiring error or internal error, output contacts, other faults
12 x blinks Valve proving
- Fuel valve 1 leaking
13 x blinks Valve proving
- Fuel valve 2 leaking
14 x blinks Error in connection with valve closure control POC
15 x blinks
Error code ≥15 (e.g. depending on type of program module)
Error code 20: Failure of gas pressure switch-min
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).

Siemens LME7 Series Specifications

General

Brand	Siemens
Model	LME7 Series
Category	Controller
Language	English