Viewing Error History; Viewing Other System Information - Navien NFC-175 Service Manual

4.8.5 Viewing Error History

To view the error history, press the Menu button (
select "5. Error History".
A list of 10 recent errors are displayed on the screen, with the most
recent error displayed at the top of the list.
Rotate the Command dial (
Press the Command dial (
information.
Press the Back button (
menu.
The front panel display flashes in red and the error
Note
●
icon is displayed (flashing) when a level 1 error is
detected. You can press the Command dial (
enter error display mode. Boiler operation is
maintained during a level 1 error.
A level 1 error is automatically cleared when the
●
problem is resolved.
You can press the power button to clear a level1 error.
●
Then the error is cleared if the problem has been
resolved.
Version 1.0
), and then
) to switch between the list of errors.
) to select an error to view detailed
) to return to the previous screen or

4.8.6 Viewing Other System Information

To view the miscellaneous system information, press the Menu
button ( ), and then select "6. EMS Data".
Rotate the Command dial (
items. Press the Command dial (
information.
Press the Back button (
menu.
Item
1. SH Operation Time
2. DHW Operation
Time
3. Gas Consumption
) to
) to switch between the information
) to select an item and view the
) to return to the previous screen or
Description
View monthly space heating operation
logs.
View monthly DHW operation logs.
View monthly gas consumption.
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