Navien NCB500-2S/37K, Руководство по обслуживанию

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32 System Details
4.4.7.6 Viewing Other System Information
To view the miscellaneous system information, press the Menu
button ( ), and then select “6. EMS Data”.
Press the Up button ( ) or the Down button ( ) to switch
between the information items. Press the OK button ( ) to
select an item and view the information.
Press the Back button ( ) to return to the previous screen or
menu.
Item Description
1. CH Operation Time
View monthly central heating
operation logs.
2. DHW Operation Time
View monthly DHW operation
logs.
3. Num of CH Operation
View the number of times
the central heating operation
function has been used.
4. Num of DHW Operation
View the number of times the
DHW operation function has
been used.
5. Num of Preheat
Operation
View the number of times the
preheat operation function has
been used.
6. Gas Consumption View monthly gas consumption.
4.4.7.5 Viewing Error History
To view the error history, press the Menu button ( ), and then
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.
Press the Up button ( ) or the Down button ( ) to switch
between the list of Errors. Press the OK button ( ) to select an
error to view detailed information.
Press the Back button ( ) to return to the previous screen or
menu.
Note
●
The front panel display flashes in red and the error
icon is displayed (flashing) when a level 1 error
is detected. You can press the OK button ( )
to 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.