Rinnai aiM 65 M/S Manual page 51

Heating engineer level is enough for authorised services in order to satisfy needs while
1
Press the ESC button for several
times. You will see the main display
showing the m aster temperature or
2
Press the OK button for once.
3
On the coming display, press the info
for long (approximately 6 seconds).
Rev: RINNAI Service manual (English)
Date:14/05/2019
On the next display, choose the line
.
Press the OK button for once to confirm
for access to the Engineer level.
Now you are at the Engineer level.
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