Thetford Norcold 2-way Ice Maker RV Refrigerator N841-im - norcoldmanual.pdf

Service Manual For models N620 and N621: For models N640 and N641: For models N640-IM and N641-IM: For models N820 and N821: For models N840 and N841: For models N840-IM and N841-IM:

6 cu.ft., 2-way, R.V. refrigerators. 6 cu.ft., 2-way or 3-way, R.V. refrigerators. 6 cu.ft., 2 way or 3-way, R.V. refrigerators with ice maker. 8 cu.ft., 2-way, R.V. refrigerators. 8 cu.ft., 2-way or 3-way, R.V. refrigerators. 8 cu.ft., 2-way or 3-way, R.V. refrigerators with ice maker.

These model numbers are 2-way refrigerators. The model numbers of 3-way refrigerators include “.3”.

NORCOLD, Inc. P.O. Box 4248 Sidney, OH 45365-4248 Part No. 619394 (5-98)

Table of Contents Introduction .............................................................................. 2 Safety Awareness .................................................................... 2 Safety Instructions ................................................................... 2 Specifications .......................................................................... 3 Supply Voltage, Fuse, and Wire Size Requirements .............. 3 Operating Requirements ........................................................ 4 Heater Specifications .............................................................. 4 Other Current Draws ............................................................... 4 Ventilation Requirements ........................................................ 5 Propane Gas Components ..................................................... 5 Examine the Gas Supply System for Leaks .................... 5 Electrical Components ............................................................ 6 Operating the Refrigerator Controls (models N620, N621, N820, and N821) .............................................................. 6 Operating the Refrigerator Controls (models N640, N641, N640-IM, N641-IM, N840, N841,N840-IM,and N841-IM) . 8 Backup Operating System ...................................................... 9 Fault Codes (models N620, N621, N820, and N821) .......... 10 Fault Codes (models N640, N641, N640-IM, N641-IM, N840, . N841,N840-IM,and N841-IM) ......................................... 11 Troubleshooting .................................................................... 12 No Display on Display Panel ......................................... 12 Propane Gas ignition Failure ......................................... 13 Fresh Food Compartment Door Ajar ............................. 14 AC Power Not Available ................................................. 14 AC Voltage Too Low ....................................................... 15 AC Voltage Too High ....................................................... 15 DC Voltage Too Low ....................................................... 15 DC Voltage Too High ...................................................... 16 AC Heater Output Failure ............................................... 16 DC Heater Output Failure .............................................. 16 DC Heater Failed Open ................................................. 17 AC Heater Failed Open .................................................. 17 Flame Sense Circuit Failure .......................................... 18 Back Up Operating System ............................................ 18 Control Diagnostic Function (models N620, N621, N820, and N821) ............................................................ 19 Control Diagnostic function (models N640, N641, N640-IM, N641-IM, N840, N841,N840-IM,and N841-IM) ............... 20 Ice Maker (models N640-IM, N641-IM, N840-IM and N841-IM) .................................................................. 21 Ice Maker Specifications ................................................ 21 Common Problems and Solutions ............................... 22 Trouble Shooting ............................................................ 22 Ice Maker Does Not Make Ice ........................................ 23 Refrigerator Maintenance ...................................................... 24 Gas Flame Appearance ....