Low
208 on Worcester Bosch Greenstar i

Your boiler is currently set to a special testing mode used by engineers to check its performance, rather than a standard operating fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Appliance in service Test mode (Min/Max)

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar I installation & service manual, page 37.
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 service or test button on the boiler control panelPress the button once to exit the testing modeMonitor the display to ensure the code clears and the boiler returns to normal standby

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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 233200201202203204226235265268270283284305328356357358360363A1 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 -

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