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2. Fuse does not Defective mag- Replace mag- Check continuity No continuity. blow. netron thermostat. netron thermostat. of magnetron thermostat. Continuity. Check continuity No continuity. Defective power Replace power of power supply supply cord. supply cord. cord. 5-14 (TROUBLE 3) DispIay shows aII figures set, but oven does not start cooking whiIe desired program times are set and START pad is touched. CONDITION CHECK RESULT CAUSE REMEDY Defective Replace Check continuity 1.Setting time does No continuity. secondary switch. secondary switch. of secondary not count down switch (with when touching door closed). START pad. Continuity. Check continuity of secondary Defective P.C.B Replace P.C.B No continuity. switch (with assembly. assembly. door closed). Connection then Continuity. Loose connection. tightly. 2. Fan motor or Defective fan Replace fan Check fan motor. No continuity. oven lamp do motor. motor. not turn on. Defective oven Replace oven Check oven lamp. No continuity. lamp. lamp. Normal. (TROUBLE 4) Oven seems to be operation but IittIe heat is produced in oven Ioad. CONDITION CHECK RESULT CAUSE REMEDY Lower than 90% of Check the Decrease in power Suggest customer Output is low. rating voltage. power source source voltage contact local voltage. with load. electric power utility co. or Normal. qualified electrician. Disconnect the wire leads from Abnormal. Defective P.C.B Replace P.C.B relay 2 and check assembly. assembly. on and off time Abnormal. with multitester. Measure the Defective Replace Abnormal. Abnormal. output. magnetron. magnetron. NOTE: SimpIe test of power output-conducted by heating one Iiter water for one min. if avaiIabIe. 5-15 (TROUBLE 5) No microwave osciIIation even though oven Iamp and fan motor run (DispIay operates properIy) CONDITION CHECK RESULT CAUSE REMEDY No microwave Disconnect the Defective P.C.B Replace P.C.B No continuity. oscillation. wire leads from assembly assembly relay 2 and check continuity Continuity. of relay2. (Operate the unit) Check H.V. Defective high Replace high Abnormal transformer. voltage voltage transformer. transformer . normal Check H.V. Defective high Replace high Abnormal capacitor. voltage capacitor. voltage capacitor. normal Check H.V. Defective high Replace high Abnormal diode. voltage Diode. voltage Diode. normal Check Defective Replace Abnormal Magnetron. magnetron. magnetron . 5-16 (TROUBLE 6) Oven does not cook properIy when programmed for the set power IeveI (Operates properIy on HIGH) CONDITION CHECK RESULT CAUSE REMEDY Defective P.C.B. Replace P.C.B. Output is full when Disconnect the Abnormal. assembly. assembly. you set lower wire leads from power level. relay 2 and check continuity relay 2. (Operate the unit) (TROUBLE 7) GriII CONDITION CHECK RESULT CAUSE REMEDY 1. Heater is not Malfunction the Heater. Abnormal. Replace. operating. heater. Normal. Thermostat and Malfunction the Abnormal. Replace. relay3.(Grill) thermostat. Normal. Replace or Wire connection. No continuity. Open or loosen. connect tightly. 1. Lower tempera- Malfunction the Heater. Abnormal. Replace. ture the oven. heater. Normal. Thermostat and Malfunction the Abnormal. Replace. relay3.(Grill) thermostat. NOTE: * Make sure the wore leads correct position. * When removing the wire leads from parts be sure to grasp the connector not the wires. * When removing the magnetron, be sure to install the magnetron gasket in the correct position and in good condition. 5-17 #EV# EX LODED IEW INTRODUCTION OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS DOOR PARTS LATCH BOARD PARTS CONTROL PANEL PARTS 6-1 #EV# DOOR PARTS 13581A 13536A 13552A 13213A 14890A 13720D 14026A WTT028 14970A 13650A 6-2 #EV# CONTROL PANEL PARTS 24781S 268711 WTP013 23572A 250201 250205 249401 250202 23790D 250203 250204 249402 6-3 #EV# OVEN CAVITY PARTS WNH001 33112U 348102 WTP013 348101 44360A 348101 WTT010 WTT011 33651A 33052M 33550S 35026S 33390M 35026G 35026C 368771 33390G 35300A 34370T 36549S 35889A WTP013 6-4 #EV# LATCH BOARD PARTS 43500A 466001 466003 466001 WSZ085 6-5 #EV# INTERIOR PARTS 568771 WSZ062 56411A 56930V 50FZZA 56201A WTT028 56549F 54974S WSZ002 55900A WTT037 WSZ002 WTP004 50CZZH 56930G 56912B 948501 WSZ002 55262A 56851C 54810C WTT028 56324A WSZ002 6-6 #EV# BASE PLATE PARTS 56170D 63302A 63303A 65006B WSZ002 WTT021 6-7 [ Pobierz całość w formacie PDF ] |
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