Unknown
E302-0 on Navien NCB CE

Navien NCB CE fault code E302-0

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Low water pressure

From this model's manual
Verified against the Navien/Navien Ncb Ce installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 95 fault codes on the NCB CE

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

001003004012012E016016E030046047060109110110E205218302352353407421515517594615740782E.782E001E003E004E012E016E030E046E047E047-1E047-2E060E060-1E060-2E060-3E109E109-0E110E110-1E110-2E110-3E127E205E205-1E205-2E218E218-1E218-2E302E351E352E352-0E353E353-1E353-2E407E407-1E407-2E421E421-1E421-2E439E515E515-1-7E515-8E515-9E515-10E515-11-12E515-13-14E517E517-0E594E594-0E615E615-0E615-1E615-2E615-3-14E615-15-16E740E740-1E740-2E782E782-0E783E787TEC

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