Accessing Advanced Menu Items - Navien NCB500-2S/37K Service Manual

4.4.7.7 Setting the Display Options
To set the front panel display options, press the Menu button
( ), and then select "7. Configuration".
Press the Up button ( ) or the Down button (
between the list items or to increase/decrease setting values.
Press the OK button ( ) to select an item or to confirm after
making changes.
Press the Back button ( ) to return to the previous screen or
menu.
Item
1. Language
5. Backlight Time Setting
) to switch
Description
Select the display language.
1. English
Default: English
●
Set the backlight time.
Setting range: 0 – 60 sec
●
Default: 2 sec
●

4.4.8 Accessing Advanced Menu Items

4.4.8.1 Viewing Service Information
To view the service information about the boiler, press the Back
button ( ) and the Menu button (
3 seconds, and then select "1. Service Status Info".
Press the Up button ( ) or the Down button (
between the information items. Press the OK button (
select an item and view the information.
Press the Back button ( ) to return to the previous screen or
menu.
Item
1. Elapsed Time After Install Elapsed time since installation
2. HEX Overheat - No. of
Times
3. Flame Loss - No. of Times
4. 2nd ignition - No. of
Times
5. 3rd ignition - No. of
Times
6. 4th ignition - No. of
Times
7. 5th ignition - No. of
Times
) simultaneously for
) to switch
) to
Description
Number of times the heat
exchanger high limit stat has
activated
Number of times a flame loss/
misfire has occurred
Number of second ignition
attempts
Number of third ignition
attempts
Number of fourth ignition
attempts
Number of fifth ignition
attempts
System Details 33