55/61
Building Technologies
Basic Documentation LMO39…
CC1P7154en
20 Error code list
15.03.2018
20 Error code list
Error code
Clear-text
Potential cause
Loc: 2
No flame at the end of safety time
No establishment of flame at the end of safety time
- Defective or soiled fuel valves
- Defective or soiled flame detector
- Poor adjustment of burner, no fuel
- Defective ignition equipment
Loc: 3
Free
Free
Loc: 4
Extraneous light
Extraneous light on burner startup
Loc: 5
Free
Free
Loc: 7
Loss of flame
Loss of flame during operation too frequent
(limitation of repetitions)
- Defective or soiled fuel valves
- Defective or soiled flame detector
- Poor adjustment of burner
Loc: 8
Oil preheater
Time supervision oil preheater
Oil preheater failed 5 times during prepurging
Loc: 9
Free
Free
Loc: 10
Errors that cannot be assigned (application)
Internal error
Wiring error or internal error, output contacts, other
errors, manual locking
Table 10: Error code list