What does the Worcester Bosch 2965 B fault code mean?

Your boiler has shut down because it cannot circulate water through your radiators, likely due to low system pressure or a blockage.

How much does it cost to fix Worcester Bosch error code 2965 B?

Typical repair cost for the Worcester Bosch 2965 B fault is £120-250 including labour.

Can I fix Worcester Bosch fault code 2965 B myself?

Check your external pressure gauge to ensure it is between 1 and 1.5 bar

Worcester Bosch 2965 B Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

Flow temperature too high 1. System is not filled with water. 2. No water flow, because CH system is closed. 3. No water flow, because pump is not operating correctly.

Shared across the Greenstar 8000 range

This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like 2965 B: no call-out fees, no surprise bills.

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Related fault codes

2966View →227View →

All 107 fault codes on the Greenstar 8000 Life Regular

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

1-A2 1-d3 1-d4 1-E1 1-E2 1-E3 1-E4 1-EA 1-Eb 200 201 202 203 204 208 214 224 227 228 229 232 233 234 235 237 238 242 244 245 246 247 248 249 250 251 252 253 254 257 258 259 262 263 265 268 269 273 281 283 284 306 357 358 360 362 363 604 815 1010 1013 1018 1019 1022 1023 1025 1037 1068 1070 1071 1072 1075 1076 2085 2908 2910 2914 2915 2916 2920 2923 2924 2925 2926 2927 2928 2931 2940 2946 2948 2949 2950 2951 2952 2955 2956 2957 2961 2962 2963 2965 2966 2966 B 2968 2969 2972 D4

Your boiler has shut down because it cannot circulate water through your radiators, likely due to low system pressure or a blockage.

What the manual says

Engineer required

Avoid the next call-out bill

Related fault codes

All 107 fault codes on the Greenstar 8000 Life Regular

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