Accessing Advanced Menu Items - Navien NCB700-42C Installation & Operation Manual

Condensing combi boiler
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10.7 Accessing Advanced Menu Items

10.7.1 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
10.7.2 Viewing Input and Output Status
To view the boiler's input and output status, press the Back
button (
) and the Menu button (
3 seconds, and then select "2. Input/Output Status".
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. CH Switched Live Status
2. CH Thermostat Status
3. Boiler Pump Status
4. 3 Way Valve
5. HTL Input Status
) simultaneously for
) to switch
) to
Description
CH switched live input status
CH thermostat input status
Boiler pump output status
3 Way valve output status
HTL input status
Operating the Boiler
49

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