What does the Worcester Bosch 208 fault code mean?

Your boiler has been accidentally switched into a testing mode used by engineers to check emissions, which prevents it from heating your home normally.

How much does it cost to fix Worcester Bosch error code 208?

Cost varies. Contact a Gas Safe registered engineer for a quote.

Worcester Bosch 208 Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

Chimney sweep demand

From this model's manual

Verified against the Worcester Bosch/Worcester Bosch Worcester Bosch Greenstar 1000 installation & service manual.

What causes this fault?

Maintenance notification

DIY fix possible

Locate the chimney sweep button on your boiler's front control panel.Press and hold the chimney sweep button for approximately 5 seconds.Wait for the display to return to the standard temperature reading and ensure the boiler resumes normal operation.

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All 106 fault codes on the Greenstar 1000

Seeing a different code? Every code this model can display, in one place.

200 201 202 203 204 213 214 222 223 224 227 228 229 232 233 234 235 237 238 240 241 245 249 250 251 252 253 254 258 259 262 263 265 268 269 270 273 275 283 284 285 305 306 341 347 351 353 357 358 360 362 363 364 365 522 604 1010 1013 1018 1019 1021 1023 1025 1068 1073 1074 2085 2908 2910 2915 2916 2920 2923 2924 2925 2926 2927 2928 2930 2931 2940 2946 2948 2949 2950 2951 2952 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2972 2973 2974 2980 2981

Your boiler has been accidentally switched into a testing mode used by engineers to check emissions, which prevents it from heating your home normally.

What the manual says

What causes this fault?

DIY fix possible

Avoid the next call-out bill

All 106 fault codes on the Greenstar 1000

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