Norcold NX61 Service Manual page 28

Screen and Diagnostic Segments Information - cont'd.
Screen 6. Erasing Fault History
Screen 6 provides a way to erase fault history from
memory. When fi rst entering screen 6, Er will be
displayed. To erase the fault history:
1. Press and hold the
on the screen.
2. Once CL is displayed, release the
seconds.
3. Press and hold until Er is displayed again.
The fault history has been cleared.
MODE
Press the button to bring up screen 7.
Diagnostic Screen 6 (Initial View)
Screen 7. Power Board Inputs
Screen 7 displays "live" power board inputs using lighted
LED segments. Refer to illustration below for "live" input
defi nitions of the individual LED segments. If a power
board input is active or "live," its assigned input
LED will be on.
Diagnostic Screen 7 (Initial View)
MODE
Press the button to bring up screen 8.
Screen 8. Power Board Outputs
Screen 8 displays "live" power board outputs using
lighted LED segments. The following illustration
provides defi nitions of the "live" outputs indicated by the
individual LED segments. If a power board output is
active or "live," its assigned output LED will be on.
28
NX6 / NX8 / NXA Models
button until shows
and wait 5
Diagnostic Screen 6 (Second View)
Diagnostic Screen 7 (Second View)
Food compartment light
is off and door is closed
1
Flame is sensed
2 3 Thermistor is sensing fin temperature
4
Not used
6
Not used 5 Not used
7
Not used
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Diagnostic Screen 8 (Initial View)
MODE
Press the button to bring up screen 9.
Screen 9. Power Board DC Input Voltage Status
Screen 9 displays DC voltage status using lighted LED
segments. Refer to illustration below for defi nitions
of the individual LED segments. If DC voltage at the
power board is within normal range (10.5 to 15.4
Vdc), LED segment 4 will be on.
Diagnostic Screen 9 (Initial View)
MODE
Press the button to bring up screen 0.
Screen 0. Power Board AC Input Voltage Status
Screen 0 displays AC voltage status using lighted LED
segments. Refer to illustration below for defi nitions of
the individual LED segments.
If AC voltage at the power board is within normal
range (108 to 132 Vac), LED segment 4 will be on.
Diagnostic Screen 9 (Initial View)
Refrigerator Service Manual
Diagnostic Screen 8 (Second View)
AC heater relay is energized
1
DC heater relay
2 3 DC power to divider heater
is energized *
4 Gas valve relay is energized
DC power to
5 6 DC power to ignition circuit
light switch
7
Not used
Diagnostic Screen 9 (Second View)
DC voltage higher than 15.4 volts
1
Not used
2 3 Not used
4 DC voltage normal
Not used 6
5 Not used
7
DC voltage lower than 10.5 volts
Diagnostic Screen 9 (Second View)
AC voltage higher than 132 volt
1
Not used
2 3 Not used
4 AC voltage normal
Not used 5 6
Not used
7
AC voltage lower than 85 volts