BoilerFaultCodesWhat the manual says
Manufacturer manualSystem waiting, primary flow temperature above set temperature point
From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar I installation & service manual, page 37.
DIY fix possible
Check if your heating or hot water thermostat is turned to a very low settingWait 10 to 15 minutes for the water to cool down naturallyIf the boiler does not restart on its own after cooling, turn it off at the mains for 30 seconds and switch it back on
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All 79 fault codes on the Greenstar i
Seeing a different code? Every code this model can display, in one place.
0.09U 233200201202203208226235265268270283284305328356357358360363A1 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 / 231H03H08H09H11H13h13/H13H29II -internal errort -