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Summary of Contents for Kenmore 796.8051
- Page 1 Website:http://www.sears.com ELECTRIC & GAS DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLES CORRECTLY BEFORE OFFERING SERVICE. MODEL : 796.8051# / 796.9051#...
- Page 2 OCT. 2009 PRINTED IN KOREA P/No.:MFL62119911...
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Page 3: What To Do If You Smell Gas
IMPORTANT SAFETY NOTICE The information in this service guide is intended for use by individuals possessing adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to repair a major appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use. -
Page 4: Table Of Contents
CONTENTS 1. SPECIFICATIONS .........................4 2. FEATURES AND BENEFITS ....................5 3. INSTALLATION INSTRUCTIONS ................... 6 4. COLUMBUS DRYER CYCLE PROCESS ................... 9 5. COMPONENT TESTING INFORMATION ................10 6. MOTOR DIAGRAM AND SCHEMATIC..................13 7. CONTROL LAY - OUT ......................14 8. WIRING DIAGRAM ......................15 9. -
Page 5: Specifications
SPECIFICATIONS 796.8002*.900 / 796.8027*.900 / 796.8031*.900 / REMARK ITEM 796.9002*.900 / 796.9027*.900 / 796.9031*.900 Color White / Patina Beige Material & Top Plate Spray Finish Door Trim Light Gray POWER SUPPLY 120V / 240V 60Hz (26A) AC 120V 250W (4.5A) MOTOR AC 240V ( ELECTRIC TYPE) 5400W (22.5A) -
Page 6: Features And Benefits
FEATURES AND BENEFITS Apply Model : 796.8002*.900 / 796.8027*.900 / 796.8031*.900... -
Page 7: Installation Instructions
INSTALLATION INSTRUCTIONS 3-1. POWER CORD 1) 4-wire connection IMPORTANT: A 4-wire connection is 3. Connect ground wire (green or bare) of power supply cable to external ground conductor screw. required for mobile Tighten screw. homes and where local 4. Connect neutral wire (white or center wire) of codes do not permit the power supply cord to the center, silver colored use of 3 wire connections. - Page 8 2) 3-wire connection 3) Optional 3-wire connection Use where local codes permit connecting Use where local codes permit connecting cabinet-ground conductor to neutral wire. cabinet-ground conductor to neutral wire. 1. Remove center terminal block screw. 2. Remove appliance ground wire (green) from external ground connector screw.
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Page 9: Connect Gas Supply Pipe (Gas Dryer Only)
3-2. Connect Gas Supply Pipe (Gas Dryer ONLY) For further assistance, refer to section on Gas Requirements. 1. Make certain your dryer is equipped for use with the 3. Connect to gas supply pipe using a new flexible type of gas in your laundry room. Dryer is equipped stainless steel connector. -
Page 10: Columbus Dryer Cycle Process
DRYER CYCLE PROCESS Apply Model : 796.8002*.900 / 796.8027*.900 / 796.8031*.900 796.9002*.900 / 796.9027*.900 / 796.9031*.900 * Sensor dry : “Dry Level” is set by users. ** Manual dry : “Temperature control” is set by users. Default settings can be adjusted by users. -
Page 11: Component Testing Information
COMPONENT TESTING INFORMATION When checking the Component, be sure to turn the power off, and do voltage discharge sufficiently. CAUTION Component Test Procedure Check result Remark 1. Thermal cut off Measure resistance of terminal If thermal fuse is open must •... - Page 12 Component Test Procedure Check result Remark 7. Heater Measure resistance of the • Electric type following terminal ① Terminal : 1 (COM) - 2 ① Resistance value : 10Ω ② Terminal : 1 (COM) - 3 ② Resistance value : 10Ω ①...
- Page 13 Component Test Procedure Check result Remark 13. Hi-limit Thermostat Measure resistance of terminal • Gas type (Auto reset) to terminal • Gas funnel- ① Resistance value ≒ ∞ ① Open at 203 ± 7°F (95 ± 5°C) Hi-limit ② Continuity < 1Ω ②...
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Page 14: Motor Diagram And Schematic
MOTOR DIAGRAM AND SCHEMATIC When checking Component, be sure to turn Power off, then do voltage discharge sufficiently. NOTE Contact On / Off by Centrifugal Switch STOP MODE RUN MODE (When Motor does not operate) (Motor operates) Centrifugal switch Centrifugal switch (Pull Drive forward) -
Page 15: Control Lay - Out
CONROL LAY - OUT PWB ASSEMBLY DISPLAY LAY-OUT PWB ASSEMBLY LAY-OUT... -
Page 16: Wiring Diagram
WIRING DIAGRAM Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangrous operation. Verify proper operation after servicing. ELECTRIC DRYER WIRING DIAGRAM Apply Model : 796.8002*.900 / 796.8027*.900 / 796.8031*.900 GAS DRYER WIRING DIAGRAM Apply Model : 796.9002*.900 / 796.9027*.900 / 796.9031*.900... -
Page 17: Diagnostic Test
DIAGNOSTIC TEST 1. This TEST should be used for Factory test /Service test. Do not use this DIAGNOSTIC TEST other than specified. 2. Activating the Heater manually with the Door open may trip the Thermostat attached to the Heater, therefore do not activate it manually. -
Page 18: Test 1 120Vac Electrical Supply
Test 1 120V AC Electrical supply NOTE: To properly check power supply in case of floating neutral or high resistance connections, a load must be applied to the circuit. It is important that the power button be pressed while checking the voltages as described below. -
Page 19: Power Connection
When measuring power, be sure to wear insulated gloves, to and avoid an Caution electric shock. Trouble Symptom Check the Tab Relays Connection properly. Measurement Condition With Dryer Power On; Connector linked to Controller. 1.Power Connection < Table1 > : Connection of the Tab Relay with Heater (Elec) Tab Relay 1 Tab Relay 2 High... - Page 20 < Table 2 > : Connection of Tab Relay with PCB ASSEMBLY (Gas) Remark Color Harness Blue Wire Check the Matching color Between Harness wire and Tab Relay. Black Connector Housing (Black Housing – Black Tab Relay) Black Wire Connector Housing Tap relay 1 3.
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Page 21: Test 2 Thermistor Test
Test 2 Thermistor Test---Measure with Power Off Disconnect the NA6 connector from the main PCB. •Check all Measure the resistance wiring harness between the NA6-6 (GN) pin connections, and a chassis ground screw. wires and Is the resistance <1 Ω ? ground screws. -
Page 22: Test 3 Motor Test
Test 3 Motor test • Replace main In diagnostic test mode, press the START / PAUSE button. Is the voltage 120 VAC between WH1- 1(WH) and BL3-1 (BN)? With the connectors disconnected, • Recheck voltage at check the resistance between WH1- main PCB and 1 (WH) and BL3-2 (BN). -
Page 23: Test 4 Moisture Sensor
Test 4 Moisture sensor •Check all Disconnect the NA6 connector wiring from the main PCB. Measure the resistance between the harness NA6-6 (GN) pin and a chassis connections, ground screw. Is the resistance wires and <1 Ω ? ground screws. Put a jumper between NA6-2 (OR) and NA6-4 (BL) to create a circuit connection for the... -
Page 24: Test 5 Door Switch Test
Test 5 Door switch test Disconnect the WH1 and BL3 connector from the main PCB. Measure the resistance between the NA6-6 (GN) pin and a chassis ground screw. Is the resistance <1 Ω ? Disconnect the WH1 and BL3 •Replace the connector from the main PCB. -
Page 25: Test 6 Heater Switch Test - Electric Type
Test 6 Heater switch test - Electric Type Enter diagnostic mode and press •Check power the START/PAUSE button twice. supply. Measure the voltage between YL3-1(WH) and the YL wire on the black tab relay. Is the voltage 240 VAC? Disconnect the YL3, black tab •Check wiring and relay and white tab relay connectors to the... -
Page 26: Test 7 Gas Valve Test - Gas Type
Test 7 GAS Valve test - Gas Type Disconnect the BL3 Connector • Check wiring and connectors to gas valve. from the main PCB and measure • See gas valve component test. the resistance between BL3-1 (RD) and BL3-2 (PK). Is the resistance 1.5k-2.5k Ω... -
Page 27: Change Gas Setting (Natural Gas, Propane Gas)
CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) Warning After Natural Gas Setting, applying Propane Gas Orifice or wrong use of Natural Gas Orifice will result in fire. Conversion must be made by a qualified technician. Initially , Natural Gas mode is set. Propane Gas Orifice is on sale as a Service Part to authorized servicers only. - Page 28 GAS VALVE FLOW START KEY PUSH VALVE 1 ON (VALVE 2 OFF) IGNITER ON IGNITER TEMPERATURE ABOUT 2499°F(1343°C) FLAME DETECT OPEN IGNITER OFF 374°C(190°C) VALVE 2 ON GAS IGNITION FLAME DETECT CLOSE VALVE 2 OFF DRYING GAS IGNITION GAS VALVE STRUCTURE START VALVE 1 IGNITER...
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Page 29: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS TOP PLATE WARNING When you disassemble the control panel, besure to take gloves and careful panel frame’s edge. Failure to do so can cause serious injury. 1. Remove 3 screws on the upper plate. 2. Push the top plate back ward. 3. - Page 30 CONTROL PANEL ASSEMBLY WARNING ! When you disassemble the control panel, besure to take gloves and careful panel frame’s edge. Failure to do so can cause serious injury. 1. Remove 2 screws on the control panel frame. 2. Disconnect the connectors. 3.
- Page 31 COVER CABINET 1. Disassemble the top plate. 2. Disassemble the control panel assembly. 3. Disassemble the door assembly. 4. Remove 2 screws. 5. Remove 4 screws from the top of cabinet cover. 6. Disconnect the harness of door switch.
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Page 32: Drum Assembly
TUB DRUM [FRONT] WARNING ! When you disassemble the lamp connector, be sure to take gloves and careful cabinet edge. Failure to do so can cause serious injury. Open the top plate. Remove Cover Cabinet. Disconnect the door lamp and electro sensor connector. -
Page 33: Dryer Exhaust Change
DRYER EXHAUST CHANGE WARNING ! When you disassemble and install ventilation, be sure to take gloves and careful exhaust edge. Failure to do so can cause serious injury. Remove screw & exhaust duct. PORTION “A” Detach and remove the bottom, left or right side knockout as desired. -
Page 34: Filter Assembly
FILTER ASSEMBLY Remove the filter. Remove 3 screws. Pull the grill. Disconnect electro sensor. BLOWER HOUSING Open the top plate. Remove the Cover Cabinet and Tub Drum [Front]. Remove the Drum assembly. Remove 2 screws and cover(Air guide). Remove the bolt and washer. Pull the fan. -
Page 35: Air Duct
AIR DUCT Open the top plate. Remove the Cover Cabinet. Remove filter and 2 screws. Pull the air duct towards the front. ROLLERS Open the top plate. Remove the Cover Cabinet and Tub Drum [Front]. Remove the Drum assembly and Tub Drum [Rear]. Disconnect Air duct from the Tub Drum [Front]. -
Page 36: Exploded View
EXPLODED VIEW 13-1. Control Panel & Plate Assembly A211 A210 A130 A120 A140 A110... -
Page 37: Cabinet & Door Assembly
13-3-2. Cabinet & Door Assembly: Gas type A700 A800 A390 A131 A600 A300 A330 A550 A500 A320 A530 A510 A310 A430 A520 A525 A410 A540 A400 A420 A460 A450... -
Page 38: Drum & Motor Assembly : Electric Type
13-4-2. Drum & Motor Assembly: Gas type F200 K400 K120 K140 K100 K130 K250 K251 K310 K320 K330 K222 K340 K221 K620 K224 K230 K210 K250 K360 K350 K610 K560 K550 K251 K240 K530 K640 K651 K515 K655 K510 K520 K540 M141 M150...
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