DRAFTNOT FOR PUBLIC RELEASE20 www.norcold.com/cdaN500/N510 Models Refrigerator Service ManualLP GASACAUTOFault indicator displayed:NOYESCheck for completion ofcooling cycle after resettingpower board.NO Cooling unit is good. Recheck forventilation obstructions and leveledoperation. See pages 21-22 and page 32.YESCheck for cooling at finassembly."n"codeshows beforecycle end?1. Replace cooling unit if "n" showsbefore completing a full cooling cycle.2. Reset power board as shown infigure and described in procedure.Coolingdetected?1. Check for ventilation obstructions andleveled operation.2. Reset power board as shown in Figure12 and described in procedure below.N Fault Code - No cooling detected by the controls - N510Power Board Resetting Procedure1. 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 wires.5. Turn ON the refrigerator.6. Locate Pin 15 on 16 pin connector (P1). Pin 15 is theempty socket to the right of the white/violet wire onthe top row. See Figure 12.7. Using an insulated jumper wire, short Pin 15 to thepower board ground lug for 10 - 15 seconds. A clicksound will indicate when the controls are reset. SeeFigure 12.10. Turn OFF the refrigerator.11. Disconnect the 12 Vdc power positive and negativewires 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 thepower board.14. Place refrigerator in service.8. Turn OFF the refrigerator.9. Turn ON refrigerator. If "n" code displays, repeatsteps 7 - 9.Figure 12. Resetting the power boardNOTEA jumper wire to short Pin 15 to ground can be madefrom a six inch long insulated 22 AWG wire with a 1/2inch of insulation stripped from each end.Pin 16White/violet wirePin 15 Ground LugInsulated wire jumper22 AWG with 1/2" long stripped ends