E33,34,35,37,38,39,40,41,42 - Meaning
Occurs when internal piston is having trouble moving.
Possible reasons:
Contamination of valve in- outlets with debris from supply pipe or other.
Mechanical damage of the valve
ote: After cleaning etc, before resetting these error codes allow the fire to cool down. Upon starting the valve will
reinitialise and perform a self recalibration and needs to be cold when doing this recalibration.
Note: If the valve needs replacing, check the pipework for contamination to avoid repeated problems.