Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual page 5

Index
6. Diagnosis and service
scans
7. Fault rectification
8. Maintenance
Additional heat generator ................................................................... 106
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Heating ............................................................................................... 108
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DHW ................................................................................................... 111
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Solar ................................................................................................... 111
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Code 2 ................................................................................................... 113
Calling up code 2 ................................................................................ 113
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Overview of coding level 2 .................................................................. 113
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General ............................................................................................... 113
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Boiler .................................................................................................. 114
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Charging ............................................................................................. 116
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Buffer .................................................................................................. 117
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Heating ............................................................................................... 117
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DHW ................................................................................................... 119
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Controllers .......................................................................................... 119
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Service functions ................................................................................... 120
Calling up the service menu ............................................................... 120
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Exiting the service menu .................................................................... 120
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Checking operating states, actuators and sensors ................................121
Calling up the "Information" menu ...................................................... 121
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Calling up the "Diagnosis" menu ........................................................ 121
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Checking the outputs (actuators) ...........................................................121
The following actuators can be switched "manually" .......................... 122
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Calling up the "Actuator test" menu .................................................... 122
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Filling the vacuum module ..................................................................... 123
Calls up the "Fill vacuum module" menu ............................................ 123
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Running the pellet hopper until empty ................................................... 123
Calling up the "Run pellet hopper until empty" menu ......................... 123
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Checking the changeover unit ............................................................... 124
Calling up the "Changeover unit" menu ..............................................124
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Icons and text in the menu ................................................................. 124
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Manual operation of changeover unit ................................................. 125
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Loading the standard setting ................................................................. 125
Calling up the "Standard setting" menu .............................................. 125
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Fault display ...........................................................................................127
Checking and acknowledging faults ................................................... 127
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Calling up acknowledged fault messages .......................................... 127
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Calling up fault codes from the fault memory (fault history) ............... 127
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Deleting saved fault codes from the fault memory ............................. 128
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Fault displays in plain text ......................................................................128
Fault codes ............................................................................................ 128
Fuses ..................................................................................................... 134
Checking the fuses ................................................................................ 134
Battery ................................................................................................... 134
High limit safety cut-out ......................................................................... 134
Triggering the function ........................................................................ 134
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Cancelling the function ....................................................................... 134
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Sensors ..................................................................................................135
Connection ......................................................................................... 135
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Checking the sensors ......................................................................... 135
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Lambda probe ........................................................................................136
Checking the Lambda probe .............................................................. 136
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Calibrating the Lambda probe ............................................................ 136
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Connection ......................................................................................... 137
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Extension kit for heating circuit with mixer .............................................137
Flow temperature sensor .................................................................... 137
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Mixer motor .........................................................................................137
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Specification extension kit .................................................................. 138
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Index
5