Norcold N1090 Series Service Manual

Contents

Norcold N1090 Series Service Manual Manual pdf 7 page image

Refrigerator Service Manual / Manuel d'entretien du réfrigérateur / Manual de servicio del refrigerador 7N1090 Models / Modèles N1090 / Modelos N1090DIAGNOSTIC SYMPTOM CHARTLED Flash Codes PossibleSymptomsPossible Cause Action to TakeOne flash 1/4 seconds, pause, repeat.BATTERYcuts outThe voltage is outside the cut out setting. Perform Test A. Refer to page9.Two 1/4 second flashes, pause, repeat.FANcuts outThe fan electrical load exceeds more than 1.0 amp. Perform Test B. Refer to page10.Three 1/4 second flashes, pause, repeat.MOTORwill not startThe rotor is blocked or the differential pressure in therefrigeration system is too high ( >5 bar).Perform Test C. Refer to page11.Not Applicable MOTORwill not run• Blown fuse in DC circuit• Undersized wiring to refrigerator, minimum #12gauge wire required, refer to Installation Manual• Partially discharged battery, voltage below 11.3VDC at compressor module• High resistance (voltage drop) in supply circuitPerform Test J. Refer to page 18.Four 1/4 second flashes, pause, repeat.MOTORwill not maintain minimumspeedIf the refrigeration system is too heavily loaded,the motor can not maintain minimum speed (1850rpm).Perform Test D. Refer to page12.Five 1/4 second flashes, pause, repeat.MOTORperiodically cuts outIf the refrigeration system has been too heavily load-ed or the ambient temperature is high, the electronicunit will run too hot.Perform Test E. Refer to page13.Not Applicable NOT COOLINGnot turning on• Faulty thermostat• Power to control module• Faulty wire from control module to compressor• Faulty control module• Faulty CompressorPerform Test F. Refer to page 14.Not Applicable NOT COOLINGRuns, but does not coolproperly• Bad capillary tube position• Faulty thermostat• Faulty control modulePerform Test I. Refer to page 17.Not Applicable NOT COOLINGcompressor starts but shutsoff directlyOverheated due to high ambient temperature Turn off refrigerator for one (1)hour, vent the vehicle, changerefrigerator to day mode.Not Applicable NOT COOLINGcompressor does not runat all• Battery voltage is too low. Recharge the battery.• Start delay of one (1) minute. Wait one (1) minute.• Overheated due to high ambient temperature. Turn off refrigerator for one (1)hour, vent the vehicle, changerefrigerator to day mode.• Vehicle fuse has blown. Check fuse rating, replace with15A fuse.Not Applicable NOT COOLING Ventilation openings are completely or partiallyblocked.Clean or remove the blockageThe door is not properly closed. Close the door, make sure theseals are in good condition.There is more than 0.12 inch ice on evaporator Defrost the refrigerator, make surethe seals are in good condition.Overheated due to high ambient temperature. Turn off refrigerator for one (1)hour, vent the vehicle, changerefrigerator to day mode.Not Applicable NOT COOLINGCompressor runs continu-ouslyGo to a Service Center.