Rinnai E75CN - Manual (Page 85)

Installation & Servicing Instructions Rinnai E-Series
85
control unit error
software error
control unit
software error
control unit
replace the control unit. The controller will
automatically load the program into the new
control unit.
control unit error
replace the control unit. The controller will
automatically load the program into the new
control unit.
15.2.19 Error 41
15.2.20 Error 42