Unknown
Red on Grant Vortex Pro 15-26

Grant Vortex Pro 15-26 fault code Red

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

What the manual says

Manufacturer manual

Pump is stopped, Pump rotor blocked

From this model's manual
Verified against the Grant/Grant Vortex Pro 15 26 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 9 fault codes on the Vortex Pro 15-26

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

21.026.036.0A1.2Constant RedFlashes redFlashes red/greenLED off

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