Kenmore 796.88842800 User manual

ELECTRIC & GAS DRYER

SERVICE MANUAL

CAUTION

READ THIS MANUAL CAREFULLY TO DIAGNOSE

TROUBLES CORRECTLY BEFORE OFFERING SERVICE.

MODEL : 796.88842800 / 796.98842800

796.88852800 / 796.98852800

MAR. 2008 PRINTED IN KOREA P/No.:3828EL3001D

To avoid personal injury, disconnect power before servicing this product. If electrical power is required

for diagnosis or test purposes, disconnect the power immediately after performing the necessary checks.

WARNING !

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.

RECONNECT ALL GROUNDING DEVICES

If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are

removed for service, they must be returned to their original position and properly fastened.

IMPORTANT

Electrostatic Discharge (ESD)

Sensitive Electronics

ESD problems are present everywhere. ESD may damage or weaken the electronic

control assembly. The new control assembly may appear to work well after repair is

finished, but failure may occur at a later date due to ESD stress.

■Use an anti-static wrist strap. Connect wrist strap to green ground connection point or unpainted

metal in the appliance.

- OR -

Touch your finger repeatedly to a green ground connection point or unpainted metal

in the appliance.

■Before removing the part from its package, touch the anti-static bag to a green ground connection

point or unpainted metal in the appliance.

■

Avoid touching electronic parts or terminal contacts; handle electronic control assembly by edges only.

■When repackaging failed electronic control assembly in anti-static bag, observe above instructions.

■Do not try to light a match, or cigarette, or turn on

any gas or electrical appliance.

■Do not touch any electrical switches. Do not use any

phone in your building.

■Clear the room, building or area of all occupants.

■Immediately call your gas supplier from a neighbor’s

phone. Follow the gas supplier’s instructions

carefully.

■If you cannot reach your gas supplier, call the fire

department.

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. DIAGNOSTIC TEST .............................................................................................................16

9-1. TEST 1 120VAC ELECTRICAL SUPPLY..........................................................................17

9-2. TEST 2 THERMISTOR TEST --- MEASURE WITH POWER OFF .......................................18

9-3. TEST 3 MOTOR TEST ................................................................................................19

9-4. TEST 4 MOISTURE SENSOR ....................................................................................20

9-5. TEST 5 DOOR SWITCH TEST ...................................................................................21

9-6. TEST 6 HEATER SWITCH TEST - ELECTRIC TYPE...........................................................22

9-7. TEST 7 GAS VALVE TEST - GAS TYPE .........................................................................23

10. CHANGE GAS SETTING (NATURAL GAS, PROPANE GAS) ...............................................24

11. DISASSEMBLY INSTRUCTIONS .........................................................................................26

12. EXPLODED VIEW ..............................................................................................................32

12-1. CONTROL PANEL & PLATE ASSEMBLY .......................................................................32

12-2. CABINET & DOOR ASSEMBLY...................................................................................33

12-3-1. DRUM & MOTOR ASSEMBLY : ELECTRIC TYPE ........................................................34

12-3-2. DRUM & MOTOR ASSEMBLY : GAS TYPE ...............................................................35

13. REPLACEMENT PARTS LIST ................................................................................................36

CONTENTS

1SPECIFICATIONS

ITEM 88842 / 88852 /

98842 / 98852 REMARK

White

Spray

Color

Top Plate

Door Trim

ELECTRICITY

CONSUMPTION

MOTOR

HEATER

LAMP

GAS VALVE

CONTROL TYPE

DRUM CAPACITY

Weight (lbs): Net/Gross

No. of Programs

No. of Dry Option

No. of Temperature Controls

No. of Dry Levels

Audible End of Cycle Beeper

Moisture

Temperature

Reversible Door

Drum

Dryer Rack

Child lock

Interior Light

Product (WXHXD)

Packing (WXHXD)

Sensor

POWER SUPPLY

Material &

Finish

Silver

120V / 240V 60Hz (26A)

250W (4.5A)

5400W (22.5A)

15W (125mA)

13W (110mA) X 2

Electronic

7.3 cu.ft.

126 / 144

High / Low / Off

Equipped

Adopted

Stainless Steel

Equipped

27" x 42 3/4" x 28 1/3"

29 1/2" x 44 3/4" x 30 3/4"

AC 120V

AC 240V ( ELECTRIC TYPE)

AC 120V

AC 120V ( GAS TYPE)

Electro sensor

Thermistor

2FEATURES AND BENEFITS

88842/88852/98842/98852

3-1. POWER CORD

INSTALLATION INSTRUCTIONS

1) 4-wire connection

1. External ground connector - Dotted line shows

position of NEUTRAL ground wire before being

moved to center terminal block screw

2. Center silver-colored terminal block screw

3. Green wire of harness

1. External ground connector

2. Green or bare copper wire of power supply cord

3. 3/4 in. (1.9 cm) UL-listed strain relief

4. Center silver-colored terminal block screw

5. Neutral grounding wire (green)

6. Neutral wire (white)

5. Connect the other wires to outer terminal block

screws. Tighten screws.

6. Tighten strain relief screws.

7. Insert tab of terminal block cover into slot of dryer

rear panel Secure cover with hold-down screw.

3. Connect ground wire (green or bare) of power

supply cable to external ground conductor screw.

Tighten screw.

4. Connect neutral wire (white or center wire) of

power supply cord to the center, silver colored

terminal screw of the terminal block.

1. 4-wire receptacle (NEMA type 14-30R)

2. 4-prong plug

3. Ground prong

4. Neutral prong

5. Spade terminals with upturned ends

6. 3/4 in. (1.9 cm) UL approved strain relief

7. Ring terminals

1. Remove center terminal block screw.

2. Remove appliance ground wire (green) from

external ground connector screw. Fasten it under

center, silver colored terminal block screw.

IMPORTANT: A 4-wire connection is

required for mobile

homes and where local

codes do not permit the

use of 3 wire connections.

3 4 5 7

2) 3-wire connection

Use where local codes permit connecting

cabinet-ground conductor to neutral wire.

1. Remove center terminal block screw.

2. Remove appliance ground wire (green) from

external ground connector screw. Connect

appliance ground wire and the neutral wire (white

or center wire) of power supply cord/cable under

center, silver colored terminal block screw.

Tighten screw.

3. Connect the other wires to outer terminal block

screws. Tighten screws.

Use where local codes permit connecting

cabinet-ground conductor to neutral wire.

3) Optional 3-wire connection

1. Loosen or remove center terminal block screw.

Connect neutral wire (white or center wire) of

power supply cord to the center, silver colored

terminal screw of the terminal block. Tighten screw.

1. External ground connector

2. Neutral grounding wire (green)

3. Center silver-colored terminal block screw

4. Neutral wire (white or center wire)

5. 3/4 in. (1.9 cm) UL-listed strain relief

3. Connect the other wires to outer terminal block

screws. Tighten screws.

4. Tighten strain relief screws.

5. Insert tab of terminal block cover into slot of dryer

rear panel. Secure cover with hold-down screw.

4. Tighten strain relief screws.

5. Insert tab of terminal block cover into slot of dryer

rear panel. Secure cover with hold-down screw.

6. Connect a separate copper ground wire from the

external ground connector screw to an adequate

ground.

1. External ground connector

2. Neutral grounding wire (green)

3. Neutral wire (white or center wire)

Grounding path determined by a qualified electrician

1. 3-wire receptacle (NEMA type 10-30R)

2. 3-wire plug

3. Neutral prong

4. Spade terminals with up turned ends

5. 3/4 in. (1.9 cm) UL approved strain relief

6. Ring terminals

7. Neutral (white or center wire)

3-2. Connect Gas Supply Pipe (Gas Dryer ONLY)

1. Make certain your dryer is equipped for use with the

type of gas in your laundry room. Dryer is equipped

at the factory for Natural Gas with a 3/8” N.P.T. gas

connection.

2. Remove the shipping cap from the gas connection

at the rear of the dryer. Make sure you do not

damage the pipe thread when removing the cap.

3. Connect to gas supply pipe using a new flexible

stainless steel connector.

4. Tighten all connections securely. Turn on gas and

check all pipe connections (internal & external) for

gas leaks with a non-corrosive leak detection fluid.

5. For L.P. (Liquefied Petroleum) gas connection, refer

to section on Gas Requirements.

For further assistance, refer to section on Gas Requirements.

1 New Stainless Steel Flexible Connector - Use

only if allowed by local codes (Use Design

A.G.A. Certified Connector)

2 1/8” N.P.T. Pipe Plug

(for checking inlet gas pressure)

3 Equipment Shut-Off Valve-Installed within 6’

(1.8 m) of dryer

4 Black Iron Pipe

Shorter than 20’ (6.1 m) - Use 3/8” pipe

Longer than 20’ (6.1 m) - Use 1/2” pipe

5 3/8” N.P.T. Gas Connection

4COLUMBUS DRYER CYCLE PROCESS

Cycle

Sensor

Dry *

Manual

Dry **

Motor

Load

Heater

Default

Drying

Electro-

sensor

Temp-

control

Default

time

Temp-

Control**

Cooling Wrinkle care

Time

Conditions of operation and termination

Temp-

erature

Dry

Level

Display

time

Heavy Duty

* Sensor dry : “Dry Level” is set by users.

** Manual dry : “Temperature control” is set by users.

Default settings can be adjusted by users.

High

Medium

High

Cotton/

Towel

Casual Low

(Normal)

36min Saturation

55 5

(5min)

(47 5

Low

(Normal)

32min Saturation

55 5

(5min)

(38 5

(Normal)

55min Saturation

66 5

(5min)

(47 5

MediumNormal

(Normal)

41min Saturation

60 5

(5min)

(47 5

(Midium

High)

Freshen Up -20min Saturation

(66 5

(5min)

(47 5

(High)Speed Dry -25min Saturation

(70 5

(5min)

(47 5

-Air Dry -30min Saturation

heater

N/A

(Normal)

54min Saturation

68 5

(5min)

3Hr

Off Time: 6min

On Time: 10sec

Temperature Control for each cycle

(47 5

Sanitary High

(Very)

1:10min Saturation

68 5

(5min)

(47 5

Delicate

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