About The Operating Status Information; Resetting The Boiler; Accessing Basic Menu Items - Navien NHB Series Installation & Operation Manual

11.3 About the Operating Status
Information
The following table provides detailed information for the operating
status displays that appear when using the boiler.
Operating Status
Item
Displays
Standby
Start Up
Operation
Post Purge
Set Point
Match
ERROR
Alarm
92 Operating the Boiler
Description
The boiler is on standby for
a new operation.
The boiler operation has
started. (The pre-purge
is being performed by
operating the fan and the
pump is operating.)
The flame has been
detected. The heat is being
controlled via ratio control.
Combustion has stopped.
The post-purge is being
performed by operating
the fan.
The set temperature
has been reached and
combustion has stopped.
The boiler is on standby
for a new operation until
reignition is required.
Combustion has stopped
due to an error. To view
detailed error information,
tap the operating status
display.
An alarm has occurred.
Boiler operation may be
restricted. To view detailed
alarm information, tap the
operating status display.

11.4 Resetting the Boiler

If an error message appears during boiler operation, reset the
boiler to resolve the problem. Press and hold the Reset button on
the front panel to reset the boiler.
If resetting the boiler does not solve the problem, refer to the
Troubleshooting section of this manual or contact Technical
Support at 1-800-519-8794.

11.5 Accessing Basic Menu Items

In the control menu, you can view the boiler's operating
conditions; configure the space heating and DHW temperatures.
Tap the Control button ( ) to enter the control menu.