We have a NEFIT ECOMLINE HR Classic which is four year old now.
Every two or four days we see a error message on the screen called "4P"
This Error indicates that the water temperature is too high.
After a reset the system will work for a few days and then the same error
How can we fix this problem?
Hmm not to many people available with helpfull information. I am affraid
your UBA must be replaced.
Maybee now the msg gets some attention again from someone with proper
"raymond" <bla bla> wrote in message
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