Navien NCB-180, Service Manual

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