BoilerFaultCodesWhat the manual says
Manufacturer manualInternal error
From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar Cdi Compact installation & service manual.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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All 100 fault codes on the Greenstar 28CDi
Seeing a different code? Every code this model can display, in one place.
9U53212213217260354357358359364365372373374375376380800808810828A1A1-281A3A7A8b7C1C1-264C4C4-273C6C7CECFD1D1-240D1-241D1-286D3D4D4-271E2E2-222E2-223E3E5E5-218E5-332E9E9-219E9-220E9-221E9-224E9-276E9-277E9-285EAEA-227EA-229EA-234EA-261ECEDEEEFEF-349F0F0-239F0-242F0-256F0-258F0-259F0-262F0-263F0-267F0-272F0-278F0-279F0-280F0-290F0-338F7F7-228F7-328FAFA-306FA-364Fb-365FDFD-231H5P1t1t2t3t4t6