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Building Technologies Basic Documentation LMV37.4... CC1P7546en
17.12.201816
23.1.4.1. Display of errors (faults) with lockout ........................................................... 171
23.1.4.2. Reset ............................................................................................................ 171
23.1.4.3. Activating info / service mode from lockout .................................................. 171
23.1.4.4. Error with safety shutdown ........................................................................... 172
23.1.4.5. General information ..................................................................................... 172
23.1.4.6. Prevention of startup .................................................................................... 172
23.1.4.7. Safety loop ................................................................................................... 172
24 Menu-driven operation .............................................................................. 173
24.1 Assignment of levels .................................................................................... 173
25 Info level ..................................................................................................... 174
25.1 Display of info level ...................................................................................... 174
25.2 Display of info values (examples) ................................................................ 175
25.2.1 Identification date ......................................................................................... 175
25.2.2 Identification number .................................................................................... 175
25.2.3 Burner identification ..................................................................................... 176
25.2.4 Number of startups resettable ...................................................................... 177
25.2.5 Total number of startups .............................................................................. 178
25.2.6 End of info level ........................................................................................... 178
26 Service level ............................................................................................... 179
26.1 Display of service level ................................................................................ 179
26.2 Display of service values (example) ............................................................ 180
26.2.1 Number of faults ........................................................................................... 180
26.2.2 Error history ................................................................................................. 180
26.2.3 Intensity of flame .......................................................................................... 180
26.2.4 End of service level ...................................................................................... 181
27 Parameter level .......................................................................................... 182
27.1 Entry of password ........................................................................................ 183
27.2 Entry of burner identification ........................................................................ 185
27.3 Change of heating engineer’s password ...................................................... 187
27.4 Change of OEM’s password ........................................................................ 188
27.5 Use of parameter level ................................................................................. 188
27.6 Structure of parameter levels ....................................................................... 189
27.7 Parameters without index, with direct display .............................................. 190
27.7.1 Using the example of parameter 208: Program stop ................................... 190
27.8 Parameters without index, with no direct display (with parameters having a
value range >5 digits) .................................................................................. 192
27.8.1 Using the example of parameter 162: Operating hours resettable .............. 192
27.9 Parameter with index, with direct display ..................................................... 194
27.9.1 Using the example of parameter 501: No-flame positions fuel actuator ...... 194
27.10 Parameters with index, with no direct display .............................................. 196
27.10.1 Using the example of parameter 701: Errors ............................................... 196
27.11 Fuel-air ratio curves – settings and commissioning ..................................... 199
27.11.1 Initial commissioning .................................................................................... 199
27.11.2 Setting curvepoints P0 and P9 for modulating operation («G mod», «Gp1
mod», «Gp2 mod» and «Lo mod») .............................................................. 202
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