Navien NCB-24LSWE, Service Manual

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42 NCB Service Manual Version 1.0
Item Description Display
(N) Target APS
The target APS voltage (V) is
displayed.
Displays the APS voltage value to one decimal place.
Eg.) 3.2 V
(O) Current APS
The current APS voltage (V) is
displayed.
Displays the APS voltage value to one decimal place.
Eg.) 3.2 V
(P) Exhaust Gas Temperature
The current exhaust gas temperature
(°C) is displayed.
Eg.) 60
℃
(Q) Model and Capacity
The currently set model and capacity
is displayed.
Eg.) Capacity 28 K
Eg.) Model or capacity setting error.
(R) Burner Type
The currently set burner type is
displayed.
ALA: Alantum
BEK: Bekaert
Eg.) The setting for Alantum.
(S) Gas Type
The current gas type is displayed:
G20, G25/G27, G30, or G31.
Eg.) G25/G27 setting
(T) Last maintenance activity
The number of days since the last
maintenance activity is displayed.
To reset the day count:
- Press [Reset] for 5 seconds.
- Clear the day count.
Eg.) 59 days since the last maintenance activity.
Eg.) Maintenance activity count is disabled. Set to
“0”.