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175 on Sime Dewy 30/130 HE FS

Your boiler's internal digital clock settings are currently corrupted or have been reset, preventing the unit from following your programmed heating schedule.

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

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From this model's manual
Verified against the Sime/Sime Dewy 30 130 He Fs installation & service manual, page 38.
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 digital control panel on your boiler.Access the clock or timer settings menu.Re-program the current time and your desired heating schedule.

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Related fault codes

176View →

All 78 fault codes on the Dewy 30/130 HE FS

Seeing a different code? Every code this model can display, in one place.

30515253545556575859606162636465666980859095100105120125130140160180AL 01AL 02AL 03AL 04AL 05AL 06AL 07AL 08AL 09AL 10AL 11AL 12AL 13AL 14AL 15AL 17AL 18AL 28AL 30AL 37AL 40AL 41AL 42AL 43AL 44AL 56AL 57AL 62AL 72AL 74AL 77AL 78AL 79AL 80AL 81AL 82AL 83AL 84AL 88AL 89AL 90AL 92AL 93AL 95AL 96AL 98AL 99

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