While you wait for answers, we may have found some information which could help you.
Click here for Creda Storage Roomneed diagram for Creda Comfortair AB heater problem?
How to switch off my electric storage creda heater? ?
Creda Storage Heaters?
how can i repair this heater?
How to adjust automatic timing of the creda automatic heater model 79151?
How can I fix my creda storage heater 79161? ?