What the manual says
Manufacturer manualOutside temp. sensor or lambda probe faulty.: 1. Check the outdoor sensor plug is connected. 2. Check the resistance of the sensor and replace if required. 3. Check the continuity of harness and replace if required. 4. Replace the outdoor sensor.
From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Wb 47115 installation & service manual.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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Related fault codes
All 103 fault codes on the Greenstar 8000+ GR8701iW 30 S
Seeing a different code? Every code this model can display, in one place.
200201202203204208214224227228229232233234235237238242244245246247248249250251252253254257258259262263265268269273281283284305306357358360362363604811815101010131017101810191022102310251037106510701071107210751076208529082910291429152916292029232924292529262927292829312940294629482949295029512952295529562957296129622963296529662968296929702971297229802981