Viessmann VITOCAL 250-A - Page 18

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F.968 Data from battery module 4 not available ................................. 150
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F.969 Data from battery module 5 not available ................................. 150
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F.970 Data from battery module 6 not available ................................. 150
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F.983 Inverter EEPROM faulty ........................................................... 150
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F.984 Multiple electrical fault, control of electronic expansion valve 1 151
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F.985 Multiple electrical fault, control of electronic expansion valve 2 151
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F.990 Short circuit, low loss header temperature sensor ....................152
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F.991 Lead break, low loss header temperature sensor .....................152
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F.992 Short circuit, temperature sensor in heating/cooling water buf-
fer cylinder .......................................................................................... 152
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F.993 Lead break, temperature sensor in heating/cooling water buf-
fer cylinder .......................................................................................... 153
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F.994 Short circuit, temperature sensor in heating water buffer cylin-
der ...................................................................................................... 153
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F.995 Lead break, temperature sensor in heating water buffer cylin-
der ...................................................................................................... 154
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F.996 Short circuit, temperature sensor in cooling water buffer cylin-
der ...................................................................................................... 154
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F.997 Lead break, temperature sensor in cooling water buffer cylin-
der ...................................................................................................... 155
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F.998 Communication error, refrigerant circuit controller to EHCU/
flow rate signal ....................................................................................155
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F.1006 Heat pump start count exceeded ............................................156
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F.1007 Heat pump locked ...................................................................157
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F.1008 Number of supported devices on main control unit exceeded 157
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F.1009 Fault, heat pump electric compressor heating ........................158
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F.1010 Water pressure sensor fault ....................................................158
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F.1011 Fault, high pressure sensor, refrigerant circuit ........................ 158
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F.1012 Fault, low pressure sensor, refrigerant circuit ......................... 159
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F.1034 Communication fault, external CAN bus .................................159
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F.1035 Communication fault, internal CAN bus ..................................160
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F.1045 Fault, external heat/cooling generator 1 ................................. 160
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F.1049 Malfunction, external 3/2-way mixing valve for dual mode
operation .............................................................................................160
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F.1050 Short circuit, temperature sensor, external heat/cooling gen-
erator 1 ............................................................................................... 161
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F.1051 Lead break, temperature sensor, external heat/cooling gen-
erator 1 ............................................................................................... 161
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F.1054 Maximum temperature, external heat/cooling generator 1
exceeded ............................................................................................ 161
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F.1056 Faulty relay, inverter intermediate circuit ................................ 162
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F.1057 Fault, high pressure sensor, refrigerant circuit ........................162
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F.1074 Pressure differential too low for circuit reversal ...................... 162
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F.1076 Compressor start count exceeded with oil temperature too
low ...................................................................................................... 162
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F.1077 Repeated compressor minimum runtime violation ..................163
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F.1078 Flow rate repeatedly too low at compressor startup ............... 163
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F.1080 Evaporator temperature too low ............................................. 163
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F.1105 Cooling function for heating/cooling circuit 1 is not supported
by extension module ...........................................................................164
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F.1106 Cooling function for heating/cooling circuit 2 is not supported
by extension module ...........................................................................164
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F.1107 Cooling function for heating/cooling circuit 3 is not supported
by extension module ...........................................................................164
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F.1108 Cooling function for heating/cooling circuit 4 is not supported
by extension module ...........................................................................164
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F.1129 Fault on inverter ...................................................................... 165
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F.1130 No connection to the datalogger ............................................. 165
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F.1131 Network fault (LAN) .................................................................165
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F.1132 Peak output from the inverter too low ..................................... 166
Index
Index
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