Screen 8. Power Board Outputs; Screen 9. Power Board Dc Input Voltage Status; Screen 0. Power Board Ac Input Voltage Status; Screen B - Norcold Polar N7V Service Manual

DIAGNOSTIC MODE - N7LX AND N8LX MODELS, cont'd.

SCREEN 8. Power Board Outputs

Touch and release the MODE button to bring up screen 8.
Screen 8 Initial view
Screen 8 Second view
Screen 8 displays "live" power board outputs using lighted LED
segments. The following illustration provides definitions of the
"live" outputs indicated by the individual LED segments. If a power
board output is active or "live," its assigned output LED seg-
ment will be on.
DC heater is energized
(3-way models only)
Interior light is
energized

SCREEN 9. Power Board DC Input Voltage Status

Touch and release the MODE button to bring up screen 9.
Screen 9 Initial view
Screen 9 Second view
This screen displays DC voltage status using lighted LED seg-
ments. Refer to illustration below for definitions of the individual
LED segments.
If DC voltage at the power board is within normal range (10.5
to 16.0 VDC), LED segment 4 will be on.
Not used
2
4
Not used
5
7
Polar Series N7V, N7X, N7XL / N8V, N8X, N8XL
AC heater is energized
1
2
3 Divider heater is energized
4
Gas valve is energized
6
5
Spark is enabled
7
Not used
DC voltage higher than 16.0 volts
1
3 Not used
DC voltage normal
6
Not used
DC voltage lower than 8.0 volts

SCREEN 0. Power Board AC Input Voltage Status

Touch and release the MODE button to bring up screen 0.
Screen 0 Initial view
NOR000650A-21
Screen 0 Second view
This screen displays AC voltage status using lighted LED seg-
ments. Refer to illustration below for definitions of the individual
LED segments.
If AC voltage at the power board is within normal range (85 to
135 VAC), LED segment 4 will be on.
SCREEN A.
Touch and release the MODE button to bring up screen A.
This screen is not used.
NOR000650A-22

SCREEN B.

Touch and release the MODE button to bring up screen b.
This screen is not used.
52
AC voltage higher than 135 volts.
1
Not used. Not used.
2 3
4
ACvoltage high
Not used. 6
5 Not used.
7
AC voltage lower than 85 volts.
NOR000650A-23
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