Power Board Resetting Procedure; N/No Co Fault Code - No Cooling Detected By The Controls - Norcold N61X Service Manual

n/no co Fault Code – No cooling detected by the controls
Models and indicator displayed.
ON
GAS
N61X/N81X
Check for cooling at fin
assembly.
Check for completion of
cooling cycle after resetting
power board.

Power Board Resetting Procedure

1. Turn OFF the refrigerator.
2. Disconnect the following from power board:
a. 12 Vdc positive and negative wires.
b. AC power cord.
c. Solenoid gas valve wires.
d. Spark/sense electrode assembly wires.
3. Remove the power board cover.
4. Reconnect 12 Vdc positive and negative wire.
5. Turn ON the refrigerator.
6. Locate Pin 15 on 16 pin connector (P1). Pin 15 is
the empty socket to the right of the white/violet
wire on the top row. See Figure C.
7. Using an insulated jumper wire, short Pin 15 to the
power board ground lug for 10 - 15 seconds. A click
sound will indicate when the controls are reset.
See Figure C.
NOTE
A jumper wire to short Pin 15 to ground can be made
from a six inch long insulated 22 AWG wire with a 1/2
inch of insulation stripped from each end.
8. Turn OFF the refrigerator.
9. Turn ON refrigerator. If "n" or "no co" code
displays, repeat steps 7 - 9.
Refrigerator Service Manual
AC LP GAS
AUTO
N62X/N82X
1. Check for ventilation obstructions
and leveled operation.
NO
Cooling
2. Reset power board as shown in
detected?
figure and described in procedure.
3. Allow unit to operate normally.
YES
"no" "co"
Cooling unit is good. Recheck for
NO
code shows
ventilation obstructions and leveled
before cycle
operation.
end?
1. Replace cooling unit if "no" "co" shows
YES
before completing a full cooling cycle.
2. Reset power board as shown in
figure and described in procedure.
Pin 16
White/violet wire
Figure C. Resetting Power Board.
10. Turn OFF the refrigerator.
11. Disconnect the 12 Vdc power positive and negative
wires from the power board.
12. Install the power board cover.
13. Reconnect the following to the power board:
a. Spark/sense electrode assembly wire.
b. Solenoid gas valve wires.
c. AC power cord.
d. 12 Vdc positive and negative wires from the
14. Place refrigerator in service.
www.norcold.com/cda
N64X/N84X
Insulated wire jumper
To pin 15
22 AWG with 1/2" long stripped ends
power board.
N6XX/N8XX Models
Ground Lug
21
Errata Sheet, 01/16/04