1
From the controller Home screen,
press the BACK and OK buttons at the
same time for 7 seconds.
Home
screen
2
Turn the selector wheel so that 007
appears as the technical code.
3
Turn the selector wheel to highlight
Complete Menu. Press OK.
86
4
Turn the selector wheel to highlight
8 Service Param. Press OK.
5
Turn the selector wheel to highlight
8.6 Error History. Press OK.
6
Option 8.6.0 Last 10 Errors is highlighted.
Press OK.
7
Scroll to view the last 10 errors.
Error
description
Error number
Time and date when
error occurred
Rinnai M-Series Condensing Boiler Combi Manual