BoilerFaultCodesWhat the manual says
Manufacturer manualCommunications to the pump has failed. The feedback signal has been lost, possible causes are electrical connections loose or disconnected, pump has been replaced with an incorrect type.
From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar I installation & service manual, page 63.
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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Related fault codes
All 79 fault codes on the Greenstar i
Seeing a different code? Every code this model can display, in one place.
0.09U 233200201202203204208226235265268270283284305328356357358360363A1 281A7A7 808A8A8 361ACB1b7 257C1 / 264C4 / 273C4 237C6C6 / 215C6 / 216C7 / 214C7 / 217CC 800Condensate pump failedD4 341E2 / 222E2 / 223E2 / 350E2 / 351E9E9 / 276E9 224EAEA / 227EA 227EA 229EA 261EH 258F0 238F0 239F0 258F0 262F0 272F0 280F0 290F1 259F1 263F7F7 228FA / 306FA 306FdFd / 231H03H08H11H13h13/H13H29II -internal errort -