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Verified boiler fault-code guides
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Worcester Bosch · Greenstar 8000 Style Combi
- Worcester Bosch 214214 indicates fan shut down during safety time.
- Worcester Bosch 224224 indicates the maximal flue gas thermostat or heat exchanger maximal thermostat has activated.
- Worcester Bosch 227227 indicates no flame signal after ignition.
- Worcester Bosch 228228 indicates flame signal without flame present.
- Worcester Bosch 234234 indicates gas valve electrical fault.
- Worcester Bosch 200The official Greenstar 8000 Style Combi manual classifies code 200 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 201The official Greenstar 8000 Style Combi manual classifies code 201 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 202The official Greenstar 8000 Style Combi manual classifies code 202 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 203The official Greenstar 8000 Style Combi manual classifies code 203 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 204The official Greenstar 8000 Style Combi manual classifies code 204 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 208The official Greenstar 8000 Style Combi manual classifies code 208 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 232The official Greenstar 8000 Style Combi manual includes code 232 in its fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 233The official Greenstar 8000 Style Combi manual includes code 233 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 235The official Greenstar 8000 Style Combi manual includes code 235 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 237The official Greenstar 8000 Style Combi manual includes code 237 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 238The official Greenstar 8000 Style Combi manual includes code 238 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 242The official Greenstar 8000 Style Combi manual includes code 242 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 244The official Greenstar 8000 Style Combi manual includes code 244 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 245The official Greenstar 8000 Style Combi manual includes code 245 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 249The official Greenstar 8000 Style Combi manual includes code 249 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 250The official Greenstar 8000 Style Combi manual includes code 250 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 251The official Greenstar 8000 Style Combi manual includes code 251 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 252The official Greenstar 8000 Style Combi manual includes code 252 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 253The official Greenstar 8000 Style Combi manual includes code 253 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 254The official Greenstar 8000 Style Combi manual includes code 254 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 257The official Greenstar 8000 Style Combi manual includes code 257 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 258The official Greenstar 8000 Style Combi manual includes code 258 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 259The official Greenstar 8000 Style Combi manual includes code 259 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 262The official Greenstar 8000 Style Combi manual includes code 262 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 263The official Greenstar 8000 Style Combi manual includes code 263 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 265The official Greenstar 8000 Style Combi manual includes code 265 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 268The official Greenstar 8000 Style Combi manual classifies code 268 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 269The official Greenstar 8000 Style Combi manual includes code 269 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 273The official Greenstar 8000 Style Combi manual includes code 273 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 281The official Greenstar 8000 Style Combi manual includes code 281 in its fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 283The official Greenstar 8000 Style Combi manual classifies code 283 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 284The official Greenstar 8000 Style Combi manual classifies code 284 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 305The official Greenstar 8000 Style Combi manual classifies code 305 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 306The official Greenstar 8000 Style Combi manual includes code 306 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 357The official Greenstar 8000 Style Combi manual classifies code 357 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 358The official Greenstar 8000 Style Combi manual classifies code 358 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 360The official Greenstar 8000 Style Combi manual includes code 360 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 362The official Greenstar 8000 Style Combi manual includes code 362 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 363The official Greenstar 8000 Style Combi manual includes code 363 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 604The official Greenstar 8000 Style Combi manual includes code 604 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 815The official Greenstar 8000 Style Combi manual includes code 815 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1010The official Greenstar 8000 Style Combi manual classifies code 1010 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 1013The official Greenstar 8000 Style Combi manual includes code 1013 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1018The official Greenstar 8000 Style Combi manual includes code 1018 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1019The official Greenstar 8000 Style Combi manual includes code 1019 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1023The official Greenstar 8000 Style Combi manual includes code 1023 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1025The official Greenstar 8000 Style Combi manual includes code 1025 in its fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1037The official Greenstar 8000 Style Combi manual includes code 1037 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1068The official Greenstar 8000 Style Combi manual includes code 1068 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1070The official Greenstar 8000 Style Combi manual includes code 1070 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1071The official Greenstar 8000 Style Combi manual includes code 1071 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1072The official Greenstar 8000 Style Combi manual includes code 1072 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1075The official Greenstar 8000 Style Combi manual includes code 1075 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2085The official Greenstar 8000 Style Combi manual includes code 2085 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2910The official Greenstar 8000 Style Combi manual includes code 2910 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2914The official Greenstar 8000 Style Combi manual includes code 2914 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2915The official Greenstar 8000 Style Combi manual includes code 2915 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2916The official Greenstar 8000 Style Combi manual includes code 2916 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2920The official Greenstar 8000 Style Combi manual includes code 2920 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2923The official Greenstar 8000 Style Combi manual includes code 2923 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2924The official Greenstar 8000 Style Combi manual includes code 2924 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2925The official Greenstar 8000 Style Combi manual includes code 2925 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2926The official Greenstar 8000 Style Combi manual includes code 2926 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2927The official Greenstar 8000 Style Combi manual includes code 2927 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2928The official Greenstar 8000 Style Combi manual includes code 2928 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2931The official Greenstar 8000 Style Combi manual includes code 2931 in its fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2940The official Greenstar 8000 Style Combi manual includes code 2940 in its fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2948The official Greenstar 8000 Style Combi manual includes code 2948 in its fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2950The official Greenstar 8000 Style Combi manual includes code 2950 in its fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2952The official Greenstar 8000 Style Combi manual includes code 2952 in its fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2956The official Greenstar 8000 Style Combi manual classifies code 2956 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 2961The official Greenstar 8000 Style Combi manual includes code 2961 in its fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2962The official Greenstar 8000 Style Combi manual includes code 2962 in its fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2965The official Greenstar 8000 Style Combi manual includes code 2965 in its fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2968The official Greenstar 8000 Style Combi manual classifies code 2968 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 2969The official Greenstar 8000 Style Combi manual includes code 2969 in its fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2970The official Greenstar 8000 Style Combi manual includes code 2970 in its fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2972The official Greenstar 8000 Style Combi manual includes code 2972 in its fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1021Cylinder charging or hot water temperature sensor faulty.
- Worcester Bosch 1065System pressure sensor faulty or not connected.
- Worcester Bosch 1076Heat exchanger temperature sensor disconnected.
- Worcester Bosch 2908System fault in the boiler electronics / basic controller.
- Worcester Bosch 2957System fault in the boiler electronics.
- Worcester Bosch 2963Heat exchanger sensor, or both flow and heat exchanger sensors, defective.
- Worcester Bosch 2971System pressure too low.
- Worcester Bosch 229Flame failed during burner operation.
- Worcester Bosch 10171017 indicates that the system pressure is too low.
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