Worcester Bosch · Greenstar CDi Classic ErP Combi

E2 boiler fault code

Greenstar CDi Classic ErP Combi

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What E2 means

CH flow NTC sensor defective

Safe check

Note the code shown on the display. Do not open, adjust or repeatedly reset the boiler. Contact a Gas Safe registered engineer.

When to contact an engineer

Note the code shown on the display. Do not open, adjust or repeatedly reset the boiler. Contact a Gas Safe registered engineer.

Safety notice

Source and provenance