Buttons - Navien NHB-055 Service Manual

Segment Status Display
WAIT
RST
CLR
INIT

4.4.2 Buttons

Button
Description or Name
Short Key
[Diagnostic] short key
[Mode] short key
[Reset] short key
[Plus] short key
[Minus] short key
32 NHB Service Manual
Shown while waiting for a response from the Main Controller when the Boiler
performs an error test or error history load
Shown on Error Reset
Shown on deleting the error history and parameters.
Shown on Factory Reset
Diagnostic Reset
Function
Display of information for service
Sets heating temperature
Sets hot water temperature
Displays / confirms information for customers
Error code release / cancellation
Item movement / increase and displays Level 1 Error
code (for Level 1 Error status)
Item movement / reduction and displays Level 1 Error
code (for Level 1 Error status)
Function
MODE
Power Mode
Converts () in order of
Setting heating temperature
=> Setting hot water temperature
=> Displaying customer information
(in Normal Mode only)
Remarks
Plus Minus
Remarks
Version 1.0