Medium
2980 V on Worcester Bosch Greenstar 8000+ GR8701iW 30 R

Your boiler has locked itself for safety due to a temporary operating error and needs to be reset.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Locking fault: To unlock Hold up and down arrow keys pressed simultaneously for 3 s. For more information see operating instr. (Boiler locked. Contact a qualified heating engineer)

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Wb 47116 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate the control panel on your boiler.Press and hold both the up and down arrow keys simultaneously for 3 seconds.Check if the boiler unlocks and resumes normal operation.

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Related fault codes

2980View →

All 87 fault codes on the Greenstar 8000+ GR8701iW 30 R

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

228 V229 B232 B233 V234 V235 V237 V238 V242244245246247248249250251252253254257 V258259262 V265 B268 O269 V273 B281 B283 O284 O306 V357 O358 O360 V362 V363 V604815 W1010 O1013101810191022102310251037 W1068 W1070107110721075 W1076 W2085 V2908 V2910 V2914291529162920 V2923 V2924292529262927292829312940 V2946 V2948 B2949 B2950 B2951 V2952 V2955 B2956 O2957 V2961 V29622963 B2965 B2966 B2968 O296929722981 V

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