What does the Worcester Bosch 201 O fault code mean?

Your boiler is simply letting you know that it is currently busy heating up the water for your taps or shower.

How much does it cost to fix Worcester Bosch error code 201 O?

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

Worcester Bosch 201 O Fault Code: What It Means & How to Fix It

What the manual says

Manufacturer manual

Boiler in hot water mode

Shared across the Greenstar 8000 Life 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.

What causes this fault?

This code appears when the boiler detects a demand for hot water from a tap or shower, causing it to divert its energy away from the radiators. It is a normal internal message indicating that the burner is firing to heat the water for your domestic use. Once you turn the tap off, the boiler will return to its previous state or go into standby.

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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Related fault codes

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All 151 fault codes on the Greenstar 8000 Life Combi

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

1-A1 1-A2 1-A3 1-A5 1-A6 1-A7 1-b2 1-b3 1-b4 1-b7 1-b8 1-C1 1-C2 1-C4 1-C6 1-d1 1-d2 1-d3 1-d4 1-d5 1-E1 1-E2 1-E3 1-E4 1-EA 1-Eb 200 200 O 201 202 202 O 203 204 204 O 208 214 224 224 V 227 227 V 228 228 V 229 232 233 234 235 237 238 242 244 245 249 250 251 252 253 254 257 258 259 262 263 265 268 269 273 281 283 284 305 306 306 V 357 358 360 360 V 362 363 604 815 1010 1010 O 1013 1017 1017 W 1018 1019 1021 1021 B 1023 1025 1037 1037 W 1065 1065 B 1068 1068 W 1070 1071 1072 1075 1075 W 1076 1076 W 2085 2908 2910 2914 2915 2916 2920 2920 V 2923 2924 2925 2926 2928 2931 2940 2946 2946 V 2948 2948 B 2949 2950 2950 B 2951 2952 2955 2956 2957 2961 2962 2963 2963 B 2965 2965 B 2966 2966 B 2968 2969 2970 2970 B 2971 2971 B 2972 A-A5 A-b2 A-b4

Your boiler is simply letting you know that it is currently busy heating up the water for your taps or shower.

What the manual says

What causes this fault?

DIY fix possible

Avoid the next call-out bill

Related fault codes

All 151 fault codes on the Greenstar 8000 Life Combi

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