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Verified boiler fault-code guides
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Worcester Bosch · Greenstar 4000 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 4000 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 4000 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 4000 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 4000 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 4000 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 4000 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 4000 Combi manual includes code 232 in its operating/fault code table on printed page 72. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 233The official Greenstar 4000 Combi manual includes code 233 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 235The official Greenstar 4000 Combi manual includes code 235 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 237The official Greenstar 4000 Combi manual includes code 237 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 242The official Greenstar 4000 Combi manual includes code 242 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 245The official Greenstar 4000 Combi manual includes code 245 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 249The official Greenstar 4000 Combi manual includes code 249 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 250The official Greenstar 4000 Combi manual includes code 250 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 251The official Greenstar 4000 Combi manual includes code 251 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 252The official Greenstar 4000 Combi manual includes code 252 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 253The official Greenstar 4000 Combi manual includes code 253 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 254The official Greenstar 4000 Combi manual includes code 254 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 258The official Greenstar 4000 Combi manual includes code 258 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 259The official Greenstar 4000 Combi manual includes code 259 in its operating/fault code table on printed page 73. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 262The official Greenstar 4000 Combi manual includes code 262 in its operating/fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 263The official Greenstar 4000 Combi manual includes code 263 in its operating/fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 265The official Greenstar 4000 Combi manual includes code 265 in its operating/fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 268The official Greenstar 4000 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 4000 Combi manual includes code 269 in its operating/fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 273The official Greenstar 4000 Combi manual includes code 273 in its operating/fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 281The official Greenstar 4000 Combi manual includes code 281 in its operating/fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 283The official Greenstar 4000 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 4000 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 4000 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 4000 Combi manual includes code 306 in its operating/fault code table on printed page 74. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 353The official Greenstar 4000 Combi manual classifies code 353 as a normal operating message, not a fault. See the linked table for the manufacturer's display description.
- Worcester Bosch 357The official Greenstar 4000 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 4000 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 4000 Combi manual includes code 360 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 362The official Greenstar 4000 Combi manual includes code 362 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 363The official Greenstar 4000 Combi manual includes code 363 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1010The official Greenstar 4000 Combi manual includes code 1010 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1013The official Greenstar 4000 Combi manual includes code 1013 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1018The official Greenstar 4000 Combi manual includes code 1018 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1019The official Greenstar 4000 Combi manual includes code 1019 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1021The official Greenstar 4000 Combi manual includes code 1021 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1023The official Greenstar 4000 Combi manual includes code 1023 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1037The official Greenstar 4000 Combi manual includes code 1037 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1065The official Greenstar 4000 Combi manual includes code 1065 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1068The official Greenstar 4000 Combi manual includes code 1068 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1070The official Greenstar 4000 Combi manual includes code 1070 in its operating/fault code table on printed page 75. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1071The official Greenstar 4000 Combi manual includes code 1071 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1072The official Greenstar 4000 Combi manual includes code 1072 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1073The official Greenstar 4000 Combi manual includes code 1073 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1074The official Greenstar 4000 Combi manual includes code 1074 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1075The official Greenstar 4000 Combi manual includes code 1075 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 1076The official Greenstar 4000 Combi manual includes code 1076 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2085The official Greenstar 4000 Combi manual includes code 2085 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2908The official Greenstar 4000 Combi manual includes code 2908 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2910The official Greenstar 4000 Combi manual includes code 2910 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2914The official Greenstar 4000 Combi manual includes code 2914 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2915The official Greenstar 4000 Combi manual includes code 2915 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2916The official Greenstar 4000 Combi manual includes code 2916 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2920The official Greenstar 4000 Combi manual includes code 2920 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2923The official Greenstar 4000 Combi manual includes code 2923 in its operating/fault code table on printed page 76. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2927The official Greenstar 4000 Combi manual includes code 2927 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2928The official Greenstar 4000 Combi manual includes code 2928 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2931The official Greenstar 4000 Combi manual includes code 2931 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2940The official Greenstar 4000 Combi manual includes code 2940 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2946The official Greenstar 4000 Combi manual includes code 2946 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2948The official Greenstar 4000 Combi manual includes code 2948 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2949The official Greenstar 4000 Combi manual includes code 2949 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2950The official Greenstar 4000 Combi manual includes code 2950 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2951The official Greenstar 4000 Combi manual includes code 2951 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2952The official Greenstar 4000 Combi manual includes code 2952 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2957The official Greenstar 4000 Combi manual includes code 2957 in its operating/fault code table on printed page 77. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2961The official Greenstar 4000 Combi manual includes code 2961 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2962The official Greenstar 4000 Combi manual includes code 2962 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2963The official Greenstar 4000 Combi manual includes code 2963 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2964The official Greenstar 4000 Combi manual includes code 2964 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2965The official Greenstar 4000 Combi manual includes code 2965 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2966The official Greenstar 4000 Combi manual includes code 2966 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2967The official Greenstar 4000 Combi manual includes code 2967 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2968The official Greenstar 4000 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 4000 Combi manual includes code 2969 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2970The official Greenstar 4000 Combi manual includes code 2970 in its operating/fault code table on printed page 78. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2971The official Greenstar 4000 Combi manual includes code 2971 in its operating/fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2972The official Greenstar 4000 Combi manual includes code 2972 in its operating/fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2980The official Greenstar 4000 Combi manual includes code 2980 in its operating/fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 2981The official Greenstar 4000 Combi manual includes code 2981 in its operating/fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 3071The official Greenstar 4000 Combi manual includes code 3071 in its operating/fault code table on printed page 79. The manufacturer table linked below gives the display text and fault category.
- Worcester Bosch 238238 indicates that the boiler electronics are faulty.
- Worcester Bosch 1017System pressure is too low.
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