Rinnai E75CN - Manual (Page 71)

Installation & Servicing Instructions Rinnai E-Series
71
software error con-
trol unit
reset the boiler
rectify the prece-
ding error
control unit error
replace the control unit. The controller will
automatically load the program into the new
control unit.
the controller has detected a pro-
gram error
the boiler automatically indicates this mes-
sage if during an error read-out the voltage
to the boiler is removed. After the voltage has
once again returned, if the error causing the
interference is no longer present, this mes-
sage is given.
15.2.4 Error 03
15.2.5 Error 04