Remeha Tzerra 4 times red signal

Brand > Type > Error code > 4 red signal

Error code:

4 red signal

Cause

Ventilatorfout

Description:

Ventilatorfout:

External draft over the boiler: -- check the good draft at the connection to the chimney

Defective gas/air unit: -- Replace the gas/air unit

Related Error Code:

This malfunction requires the help of a professional