Hoover CDE9505AZ, CDE6505AZ, ADE9005AG, CDG6505, ADG7005AW Service Manual

...

Service

This manual is to be used by qualified appliance technicians only. Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person.

This Base Manual covers general information

Refer to individual Technical Sheet

for information on specific models

This manual includes, but is

not limited to the following:

Dryer

ADE7005AK* ADE7005AY* ADE9005AG* ADG7005AW* CDE6505* CDE6505AZ* CDE9505* CDE9505AZ* CDG6505* CDG9505* CYE3005AG* CYE3005AK* CYE3005AY* CYE3005AZ* CYG1005AW* CYG3005AW* HYE2205AG* HYE2205AK* MDE208DAY* MDE2706AY* MDE2706AZ* MDE308DAY* MDE3706AG* MDE3706AK*

MDE3706AY* MDE3706AZ* MDE3757AY* MDE3758AY* MDE3758AZ* MDE4657AY* MDE4658AY* MDE4806AY* MDE4806AZ* MDE508DAY* MDE5806AY* MDE5806AZ* MDET236AY* MDET236AZ* MDET336AY* MDET336AZ* MDET446AY* MDET446AZ* MDG208DAW* MDG2706A* MDG270SAW* MDG308DAW* MDG3706AW* MDG3757AW*

MDG3758AW* MDG4657AW* MDG4658AW* MDG4806AW* MDG508DAW* MDG5806AW* MDGT236AW* MDGT336AW* MDGT446AW* NDE2335AY* NDE2335AZ* NDE5805AY* NDE5805AZ* NDE8805AY* NDE8805AZ* NDG2335AW* NDG5805AW* NDG8805AW* PDET910AY* PDET910AZ* PDET920AY* PDET920AZ* PDGT910AW* PDGT920AW*

16026315

January 2006

Important Information

Important Notices for Servicers and Consumers

Maytag will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however , that during its lifetime a product may require service. Products should be serviced only by a qualified service technician who is familiar with the safety procedures required in the repair and who is equipped with the proper tools, parts, testing instruments and the appropriate service information. IT IS THE TECHNICIANS RESPONSIBILITY TO

REVIEW ALL APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS.

To avoid risk of severe personal injury or death, disconnect power before working/servicing on appliance to avoid electrical shock.

To locate an authorized servicer, please consult your telephone book or the dealer from whom you purchased this product. For further assistance, please contact:

Customer Service Support Center Telephone Number

CAIR Center.............................................................. 1-800-688-9900

CAIR Center in Canada ........................................... 1-800-688-2002

Web Site

WWW.MAYTAG.COM

WARNING

Recognize Safety Symbols, Words, and Labels

DANGER

DANGER—Immediate hazards which WILL result in severe personal injury or death.

WARNING

WARNING—Hazards or unsafe practices which COULD result in severe personal injury or death.

CAUTION

CAUTION—Hazards or unsafe practices which COULD result in minor personal injury, product or property

damage.

Important Information .................................................... 2

Important Safety Information ......................................... 4

General Information

Model Identification .................................................... 8

Serial Label Location ................................................. 8

Model Nomenclature.................................................. 9

Troubleshooting

Troubleshooting General Symptoms .........................10

Component T esting Information

Component T esting Information.................................14

Disassembly Procedures

Control Console Access/Facia Removal ...................16

PC Board Removal ...................................................16

Cycle Selector Knob Removal ..................................17

Switch Removal ........................................................17

T op Cover/Door Switch/Front Panel/Gasket Removal 17

Door Reversal/Disassembly Removal........................18

Light Removal ...........................................................19

Motor/Blower/Thermistor/Thermostat Removal..........20

Drum Removal/Roller/Glide Access ..........................22

Heater Removal.........................................................23

Drim Baffle Removal ..................................................23

Gas Model Disassembly Procedures

Igniter Removal .........................................................24

Burner Removal ........................................................24

Appendix A

Installation Instructions........................................... A-1

Appendix B

Use And Care ......................................................... B-1

Important Information

Important Notices for Servicers and Consumers

REVIEW ALL APPROPRIATE SERVICE INFORMATION BEFORE BEGINNING REPAIRS.

To avoid risk of severe personal injury or death, disconnect power before working/servicing on appliance to avoid electrical shock.

To locate an authorized servicer, please consult your telephone book or the dealer from whom you purchased this product. For further assistance, please contact:

Customer Service Support Center Telephone Number

CAIR Center.............................................................. 1-800-688-9900

CAIR Center in Canada ........................................... 1-800-688-2002

Web Site

WWW.MAYTAG.COM

WARNING

Recognize Safety Symbols, Words, and Labels

DANGER

DANGER—Immediate hazards which WILL result in severe personal injury or death.

WARNING

WARNING—Hazards or unsafe practices which COULD result in severe personal injury or death.

CAUTION

CAUTION—Hazards or unsafe practices which COULD result in minor personal injury, product or property

damage.

Important Information .................................................... 2

Important Safety Information ......................................... 4

General Information

Model Identification .................................................... 8

Serial Label Location ................................................. 8

Model Nomenclature.................................................. 9

Troubleshooting

Troubleshooting General Symptoms .........................10

Component T esting Information

Component T esting Information.................................14

Disassembly Procedures

Control Console Access/Facia Removal ...................16

PC Board Removal ...................................................16

Cycle Selector Knob Removal ..................................17

Switch Removal ........................................................17

T op Cover/Door Switch/Front Panel/Gasket Removal 17

Door Reversal/Disassembly Removal........................18

Light Removal ...........................................................19

Motor/Blower/Thermistor/Thermostat Removal..........20

Drum Removal/Roller/Glide Access ..........................22

Heater Removal.........................................................23

Drim Baffle Removal ..................................................23

Gas Model Disassembly Procedures

Igniter Removal .........................................................24

Burner Removal ........................................................24

Appendix A

Installation Instructions........................................... A-1

Appendix B

Use And Care ......................................................... B-1

Important Safety Information

WARNING

T o avoid risk of fire, electric shock, serious injury, or death when using your dryer, follow these basic precautions:

1. Read all instructions before using dryer.

2. Install dryer according to Installation Instructions. Refer to the Grounding Instructions in the Installation Instructions for proper grounding of the dryer.

3. Do not dry articles that have been cleaned in, washed in, soaked in, or spotted with gasoline, dry-cleaning solvents, or other flammable or explosive substances. V apors could ignite or explode.

4. Do not use dryer to dry clothes which have traces of any flammable substance, such as vegetable oil, cooking oil, machine oil, flammable chemicals, thinner, etc., or anything containing wax or chemicals, such as mops and cleaning cloths. Flammable substances may cause fabric to catch fire by itself.

5. Do not store or use gasoline or other flammable vapors and liquids near this or any other appliance.

6. Do not allow children to play on or in dryer. Close supervision of children is necessary when dryer is used near children, a safety rule for all appliances.

7. Before dryer is removed from service or discarded, remove doors to drying compartment.

8. Do not reach into dryer if cylinder is revolving.

9. Do not install or store dryer where it will be exposed to water and/or weather.

10.Do not tamper with dryer controls.

1 1.Do not repair or replace any part

of dryer or attempt any service, unless specifically recommended in user-maintenance instructions or in published user-repair instructions that you understand and have skills to carry out, if you are a consumer.

12.To reduce risk of electric shock or fire, do not use extension cords or adapters to connect dryer to electrical power source.

13.Use the dryer only for its intended purpose, drying clothes.

14.Always disconnect dryer from electrical supply before attempting any service. Disconnect power cord by grasping the plug, not the cord.

15.Do not use heat to dry articles containing foam rubber or similarly textured rubberlike materials.

16.Always clean the lint filter after every load. A layer of lint in the filter reduces drying efficiency and prolongs drying time.

17.Use only fabric softeners or products to eliminate static that are appropriate for automatic dryers.

18.Keep your dryer in good condition. Bumping or dropping dryer can damage safety features. If damage occurs, have dryer checked by qualified service technician.

19.Replace worn power cords and/or loose plugs.

20.Do not tumble fiberglass curtains and draperies unless the label says it can be done. If they are dried, wipe out the cylinder with a damp cloth to remove particles of fiberglass.

21.Always read and follow manufacturer’s instructions on packages of laundry aids. Heed all warnings or precautions. T o reduce risk of poisoning or chemical burns, keep products away from children at all times, preferably , in a locked cabinet.

22.Never operate dryer with guards and/or panels removed.

23.Do not operate dryer with missing or broken parts.

24.Do not bypass safety devices.

25.Keep area around the exhaust opening and adjacent surrounding areas free from accumulation of lint, dust, and dirt.

26.Interior of dryer and exhaust duct should be cleaned periodically by qualified service personnel.

27.Dryer will not operate with loading door open. DO NOT bypass door safety switch by permitting dryer to operate with door open. Dryer will stop tumbling when door is opened. Do not use dryer if it does not stop tumbling when door is opened or starts tumbling without pressing or turning the ST ART mechanism. Remove the dryer from use and call the service person.

28.Remove laundry immediately after the dryer stops.

29.AL WAYS follow the fabric care instructions supplied by the garment manufacturer.

Save These Instructions

Important Safety Information

WARNING

Electrical Service Information

Electrical Dryers

• 240 V AC, 60 Hz, 30 Amps, 3–wire or 4–wire installations

Gas Dryers

• 120 VAC, 60 Hz, 15 Amps, 3–wire installations

T o reduce the risk of fire and exposure to combustion gases, the dryer MUST be exhausted to the outdoors. DO NOT exhaust dryer air into a window well, gas vent, chimney or enclosed, unventilated area, such as an attic, wall, ceiling, crawl space under a building or concealed space of a building.

Gas Dryer Power Supply

About Ground Wires

In the event of an electrical short circuit, a ground wire reduces the risk of electric shock by providing an escape wire for the electric current. St andard accepted color coding for ground wires is green or green with a yellow stripe. Grounding wires and wires colored like grounding wires are NOT to be used as current carrying conductors.

WARNING

To reduce the risk of fire, electric shock, serious injury or death, all wiring and grounding must conform with the latest edition of the National Electric Code, or the Canadian Electrical Code, and such local regulations as might apply . It is the customer’s responsibility to have the wiring and fuses checked by a qualified electrician to make sure your home has adequate electrical power to operate the dryer.

WARNING

T o avoid risk of personal injury or death due to electrical shock:

• Observe all local codes and ordinances.

• Disconnect electrical power to unit before servicing.

• Ground appliance properly.

• Check with a qualified electrician if you are not sure

this appliance is properly grounded.

• DO NOT ground to gas line.

• DO NOT ground to cold water pipe if pipe is

interrupted by plastic, nonmetallic gaskets, or other insulating (nonconducting) materials.

• DO NOT modify plug on power cord. If plug does not

fit electrical outlet, have proper outlet installed by qualified electrician.

• DO NOT have a fuse in the neutral or ground circuit.

A fuse in the neutral or ground circuit could result in an electrical shock.

• DO NOT use an extension cord with this appliance.

• DO NOT use an adapter plug with this appliance.

• DO NOT pinch power cord.

This equipment MUST be grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electrical current. This unit is equipped with a cord having a grounding wire with a grounding plug. The plug must be plugged into an outlet that is properly installed and grounded.

Consult a qualified electrician or servicer if grounding instructions are not completely understood, or if doubt exists as to whether the equipment is properly grounded.

Do not use an extension cord. If the product power cord is too short, have a qualified electrician install a three– slot receptacle. This unit should be plugged into a separate 60 hertz circuit with the electrical rating as shown on the serial plate.

Proper Grounding and Polarization for 120 Volts Wall Outlets

For the safety of our customers and the service technician ALL gas dryers have a three–prong power cord and MUST be connected to a properly polarized and grounded wall outlet. This information was written for those who do not understand grounding and polarization of a wall outlet. A 120 VAC wall outlet must always be wired as shown below.

Neutral side

Round grounding prong

Polarization–This means that the larger slot must be neutral and the small slot must be hot (live).

Mispolarized–The outlet is miswired so that the larger slot is hot (live) and the smaller slot is neutral.

Grounded–This means the round hole connection is connected to ground through a connection to the main power panel.

Ungrounded–The round hole connection is not connected to a ground and/or the main power panel.

Explanation

115–12

V.A . C .

Ground

115–12

V.A . C.

Neutral

V.A . C.

Important Safety Information

Gas Connection Information

WARNING

To avoid death, personal injury or property damage, from fire or explosion, information in this manual must be followed exactly. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use any phone in your building.

• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

• If you cannot reach your gas supplier, call the fire department. Installation and service must be performed by a qualified installer, service agency or the gas supplier.

WARNING

To reduce the risk of fire and exposure to combustion gases, the dryer MUST be exhausted to the outdoors. DO NOT exhaust dryer air into a window well, gas vent, chimney or enclosed, unventilated area, such as an attic, wall, ceiling, crawl space under a building or concealed space of a building.

Important Safety Information

General Information

Model Identification

Complete registration card and promptly return. If registration card is missing:

• For Maytag product call 1-800-688-9900 or visit the Web Site at www.mayt ag.com

• For product in Canada call 1-800-688-2002 or visit the Web Sites at www .maytag.com or www .jennair.com

When contacting provide product information located on rating plate. Record the following: Model Number: ___________________ Manufacturing Number: ___________________ Serial or S/N Number: ___________________ Date of purchase: ___________________ Dealer’s name and address: ___________________

Service

Keep a copy of sales receipt for future reference or in case warranty service is required. T o locate an authorized servicer:

• For Maytag product call 1-800-462-9824 or visit the Web Site at www.mayt ag.com

• For product in Canada call 1-866-587-2002 or visit the Web Site at www.mayt ag.com

Warranty service must be performed by an authorized servicer. W e also recommend contacting an authorized servicer, if service is required af ter warranty expires.

Parts and Accessories

Purchase replacement parts and accessories over the phone. T o order accessories for your product call:

• For Maytag product call 1-800-462-9824 or visit the Web Site at www.mayt ag.com

• For product in Canada call 1-866-587-2002 or visit the Web Sites at www.mayt ag.com

Extended Service Plan

We offer long-term service protection for this new dryer .

Serial Label is located in the upper left of the door opening and back panel.

• Dependability PlusSM Extended Service Plan is specially designed to supplement Maytag’s strong warranty . This plan covers parts, labor , and travel charges. Call 1-800-925-2020 for information.

General Information

Troubleshooting Guide is located inside the

Control Console, see Control Console Access/ Facia Removal Procedure.

Troubleshooting Procedures

Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit.

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power and shut off gas to unit before servicing, unless testing requires power.

Will not start or run:

• All wires are hooked up to their corresponding terminals.

•

Dryer is plugged in.

• Blown fuse or circuit breaker.

• Door switch functional...door closed. Check for error code 3 (See Table for code definition).

• Start/Pause rotary selector dial functional.

• Control Board operational.

• Drive motor functional.

• Check motor winding resistance.

Motor runs/ tumbler will not turn:

• Belt off or broken/damaged. Idler tension spring too weak or stretched.

•

• Idler pulley jammed or stuck.

Runs a few minutes and then stops:

• Empty dryer.

• Check motor spins freely.

• Lint buildup around drive motor.

• Low voltage present.

• Blower impeller blocked in blower housing.

• Drive motor - start switch contacts stuck closed.

Improper drying/clothes wrinkled/ rough texture/long dry time:

• Lint filter is not clean. Restriction in exhaust.

•

• Outside exhaust hood damper door stuck closed.

• Exhaust too long, too many elbows, flex ductwork installed.

• Poor intake air available for the dryer.

• Incorrect tumbler speed. Tumbler belt slipping.

• Blower impeller bound; check for foreign material in blower area.

• Customer overloading dryer.

• Check clothing labels for fabric content and cycle selected.

• Clothes too wet due to insufficient spin out by washer.

Troubleshooting the electronic control circuit:

• Check for miswiring of the electrical connector at the electronic control board.

Will Not Shut Off

• Check dryer heat setting (wet clothes on air fluff will run an extended period of time).

• Check Membrane Pad.

• Check Electronic Control Board.

• Short in sensor circuit.

• Ensure timer motor is getting 120V with no load or in cool down.

• Check thermostat.

Noisy and/Or Vibration

• Thumping Check for loose tumbler baffle, rear tumbler roller(s) worn or misaligned, out-of-round tumbler or high weld seam on tumbler.

• Ticking Check for loose wire harness or object caught in blower wheel area.

• Scraping Check for front or rear bulkhead felt seal out of position or worn tumbler front bearings.

• Roaring Check for blower wheel rubbing on blower housing or bad motor bearings.

• Popping or squealing sound. Check for a sticky or frayed belt.

Blows fuses or trips circuit breaker —

• The amperage readings are at 240 volts. One line will be 24 amps and the other line will be 21 amps. The neutral line will be at 3 amps. If the above amperages are not present, then the house wiring, fuse box or circuit breaker should be suspect.

• Shorted heating element to housing.

• Incorrect wiring or a wire shorting to ground.

• Drive motor winding shorting to ground.

Blows fuses or trips circuit breaker —

• If igniter is not glowing, check for 120 V at igniter.

• Igniter harness may be loose and shorted to base.

• Incorrect wiring or a wire shorted to ground.

• Drive motor winding shorting to ground.

Will Not Dry —

Will not heat (motor runs):

• Check dryer heat setting.

• Open heating element.

• Hi-Limit trips easily or is open.

• Regulating thermostat trips easily or is open.

• Check Thermistor.

Will Not Dry —

Poor Gas Ignition

When the dryer is operated on a heat setting, the igniter should be energized and burner shall fire within 45 seconds at 120 VAC. The failure of a component in this system will usually be indicated by one of three symptoms:

1) The igniter does not glow. If the igniter does not heat up, remove power and using an ohmmeter, check the following:

• Open flame sensor.

• Open igniter.

• Shorted booster coil.

• Open wiring.

• Bad motor switch (Neutral supply).

• No power from control ( L1 supply).

2) Igniter glows - No gas ignition. If the igniter heats up but the main burner flame is not ignited, remove power and using an ohmmeter, check the following:

• Open secondary coil.

• Open holding coil.

• Open wire harness.

• Stuck flame sensor (Stuck closed).

• Check:

3) The gas is ignited but the flame goes out. If a normal ignition takes place and after a short while the flame goes out, check for the following:

• Radiant sensor contacts opening prematurely.

• Weak gas valve coil may open when stressed by higher

• Weak Hi-Limit.

• Poor venting.

• Bad drum seals.

ELECTRIC Models

GAS Models

Holding coil term 1 and 2, 1365 ohms ±25 ohms. Booster coil term 1 and 3, 560 ohms ±25 ohms. Secondary coil term 4 and 5, 1220 ohms ±25 ohms.

temperatures.

ELECTRIC Models:

GAS Models:

Troubleshooting Procedures

Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit.

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power and shut off gas to unit before servicing, unless testing requires power.

ENTER SERVICE MODE

Rotate the Cycle Selector Knob to the “

position and

press

(All LED’s will be off).

Rotate the Cycle Selector Knob clockwise past

Power Off

“

(LED’s will illuminate as the knob is rotated).

” twice and stop at “

Rotate the Cycle Selector Knob counterclockwise one revolution back to “Regular” and press knob.

•

Power Off LED will blink. Regular LED will be illuminated.

•

Model I.D. is displayed by the LED’s around the bottom of the dial.

•

Model I.D. can be redisplayed while in Service Mode by setting knob to “

pressing

•

Refer to chart for Model I.D.

knob.

Delicate

Power Off

Regular

” and

”

”.

EXIT SERVICE MODE

DISPLAY/CLEAR SERVICE CODES

Rotate Cycle Selection Knob to “

Allow 5 minutes of inactivity.

Disconnect power

Enter Service Mode then set Cycle Selection Knob to

•

“Time Dry 10”. Press knob.

Time Dry 10 LED will blink if codes other than power interrupt are pres ent. Press knob to view codes. Press once for each code. Codes are displayed newest to oldest. Machine beeps three times aft er last service code is displayed. To clear codes display a code then Cycle Selection Knob until machine beeps twice. Time Dry 10 LED stops blink ing.

• Refer to chart for Service Codes.

knob.

or or

Power Off

press

” and

and

press

hold

Troubleshooting Procedures

Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit.

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power and shut off gas to unit before servicing, unless testing requires power.

CONSOLE SWITCH TEST

Enter Service Mode then set Cycle

SERVICE CYCLE

Selection Knob to “Wrinkle Prevent” and

•

Power Off LED blinks.

•

Pause and Wrinkle Prevent LED’s are illuminated.

Rotate th e Cycle Selec tion Knob clockwise for ascending, and counterclockwise for decending test mode. Rotate 32 clicks in the same direction to complete the test.

Press

the test for the rotary switches. The test

begins with the rotary switch imediately to

the left of the Cycle Se lection Knob .

Rotate the switch in either direction. The

LED’s illuminate around the bottom of the

Cycle Selection Knob for each switch

NOTE:

Press the Cycle Se lection Kno b. T he test

continues with the switch immediately to

the left of the previous switch tested. Repeat rotating the switch and monitoring the LED’s around the bottom of the Cycle

Selection Knob. Continue

Cycle Selection Knob for each switch

tested right to left untill all rotary switches

•

press

knob.

the Cycle Selection Knob to activate

position.

Any attempt to move a knob or

After the last rotary s witch is tested the next time the Cycle Se lection Knob is

pressed

rocker switches. Continue the Cycle Selection Knob and testing switches until the last switch is tested. When all switches have been tested

Complete

the “

switch other than the one being tested results in a chirp sound.

pressing

the

are tested.

the test will continue with the

” LED will illuminate.

pressing

Enter Service Mode then set Cycle Selection Knob to

•

• Press

•

NOTE:

“Regular” and press knob.

Cool Down LED illuminates. Motor on.

Press

knob Cool Down and Wrinkle Prevent LED’s

illuminate. Motor/Heater on.

knob Cool Down LED illuminates. Motor on. Press knob Complete LED illuminates. Cycle Complete.

Press

knob Exit back to Service Mode.

Press knob until Pause LED begins blinking to

pause cycle.

Troubleshooting Procedures

Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or repair of this unit.

T o avoid risk of electrical shock, personal injury or death; disconnect power and shut off gas to unit before servicing, unless testing requires power.

WARNING

DIAGNOSTIC CODE CHART

Service Code Description

Model ID Unknown, Default used 31 Rotary Switch 3 left of encoder failed

Rotary Switch 2 left of encoder failed at startup Rotary Switch 1 left of encoder failed at startup 25 Incorrect rotary switch position seen Dryness sensor bar possibly shorted

Dryness sensor bar possibly open Selected dryer temperature not reached

Dryer over temp without shutdown 20 Motor thermal protector opened more than 5

times during cycle

Thermistor pos si ble short Thermistor pos si ble ope n Thermistor out of range

Heater on and drum temp no t inc reas ing Power failure

No code

at startup

Service

Code

28 26

24 23

22 21

18 17

16 15

Wrinkle

Drying

Prevent

Cool Down

Complete

Pause

Model Numbers MDE/GT446

MDE/G4657 MDE/G4658, MDE/G4806 MDE/G508D

MDE/G5806 NDE/G8805

Drying

Wrinkle

Cool Down

Prevent

ete

Pause

Compl

Component Testing Information

WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power and shut off gas to unit before servicing, unless testing requires power.

Illustration Component Test Procedure Results

Thermistor

Unplug harness connector and test from wire insert ion side.

Pin #1 PK and Pin #11 PK of PS5.......

10000 ohms @ 77° F (25° C)

Door Switch Unplug connectors and t est switch

Light Unplug connectors and test switch

Motor

Thermal Fuse

Hi Limit Thermostat

terminals.

Door open terminals............................

Door closed terminals..........................

terminals.

Check across terminals.......................

Unplug harness connector and test motor circuits.

Pin #9 GY and Pin #9 Red (W indings).

Unplug connectors and test Thermostat terminals.

Check across terminals.......................

Unplug connectors and test Thermostat terminals.

Check across terminals.......................

Infinity Less than 1 ohm

80 to 100 ohms

2 ohms

Less than 1 ohm

Less than 1 ohms

Thermal Cut Off Unplug connectors and test

Thermostat terminals.

Check across terminals.......................

Heater Element Unplug connectors and t est Heater

terminals.............................................. 10 ohms

Less than 1 ohm

Cycling Thermostat 146 °F

Unplug connectors and test

Thermostat terminals...........................

Less than 1 ohm

Component Testing Information

WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power and shut off gas to unit before servicing, unless testing requires power.

Illustration Component Test Procedure Results

Sensor Bars Unplug harness connector and test

Radiant Sensor Unplug connectors and test sensor

TH2 Safety Thermostat

from wire insert ion side. Short sensor bar.

Pin #3 BU to Pin # 7 BU of PS5...........

terminals..............................................

Unplug connectors and test

Thermostat terminals........................... Less than 1 ohm

Less than 1 ohm

Closed

Gas Valve Unplug connectors and test valve

terminals. Check across terminals #1 and #3

(Booster Coil)......................................

Check across terminals #1 and #2

(Holding Coil).......................................

Check across terminals #2 and #3

(Both coils in series)............................

Check across terminals #4 and #5

(Secondary Coil)..................................

550 ohms 1350 ohms 1900 ohms 1300 ohms

Motor Contacts

Function 1M 2M 3M 5M 6 M

Start

Run

= Contact closed

Gas Valve

Centrifugal Switch (Motor)

123

Disassembly Procedures

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

Control Console Access / Facia Removal

1. Disconnect power supply to unit.

2. Remove Control Knobs and Cycle Selector Knob.

3. Remove three screws from Console top.

NOTE: W ear an Anti-St atic Wrist S trap and ground

yourself before working with Electronic Control Boards. Always handle boards by the edge and don’t touch discreet components.

3. Remove wiring harness connectors from PC Board.

4. Depress the locking tab on the PCB.

NOTE: Be sure to protect the shafts on the front of the

Console when tipping.

4. Tip the Console forward to access the wiring harness and PC Board.

NOTE: W ear an Anti-St atic Wrist S trap and ground

yourself before working with Electronic Control Boards. Always handle boards by the edge and don’t touch discreet components.

5. Depress locking tabs on Facia to remove and replace.

PC Board Removal

1. Disconnect power supply to unit.

2. Access Control Console, see “Control Console Access / Facia Removal” procedure.

5. Remove the PCB.

Disassembly Procedures

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

Cycle Selector Knob (CSK) Removal

1. Disconnect power supply to unit.

2. Access Control Console, see “Control Console Access / Facia Removal” procedure.

3. Remove PC Board.

4. Lift locking tab on CSK and rotate switch to remove.

Switch Removal

1. Disconnect power supply to unit.

2. Access Control Console, see “Control Console Access / Facia Removal” procedure.

3. Remove ribbon connectors to switch.

4. Lift locking tab on switch and rotate to remove.

T op Cover / Door Switch / Front Panel / Gasket Removal

1. Disconnect power supply to unit.

2. Use a plastic putty knife to depress the locking clip between the T op Cover and Front Panel.

3. Disconnect wiring from the Door Switch.

4. Depress the locking tabs on switch side and remove through the front.

Disassembly Procedures

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

5. Remove two screws, 1 each side, from the back flange of the Front Panel.

6. Tip Front Panel back and remove. Rotate Front Panel to the back side and remove gasket.

Door Reversal / Disassembly

1. Disconnect power supply to unit.

2. Remove four screws on Door Hinge.

3. Remove hole covers opposite hinge side and install them in the new location.

Disassembly Procedures

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

4. T o switch Door Hinge side, remove screws around the perimeter of the Door Panel. Rotate Door Panel 180 degrees and move Door Strike to opposite side of Door. Reinst all screws. Reinstall Door . Continue to next step for complete Door disassembly .

5. After Door Panel screws are removed the Door Gasket can be removed from the Inner Door Panel.

Light Removal

1. Disconnect power supply to unit.

2. Remove T op Cover , see “Top Cover / Door Switch / Front Panel / Gasket Removal” procedure steps 1 - 2.

3. Remove Lens screw.

4. Depress locking tab on Light Socket and remove through light cavity .

Disassembly Procedures

WARNING

Motor/Blower/Thermistor/Thermostat Removal

1. Disconnect power supply to unit.

2. Remove T op Cover.

3. Remove Front Panel.

4. Disconnect wiring from Moisture Sensor.

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

6. T o remove Thermistor or Thermostat, disconnect wiring from component(s) and remove retaining screws.

5. Remove three screws inside drum retaining Blower Duct.

7. Remove nine screws retaining Blower Cover panel.

Disassembly Procedures

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

8. Remove Blower Cover Panel.

9. Disconnect Motor Harness connector from Motor.

10.Rotate Blower Assembly as shown to remove from dryer.

1 1.Remove Blower Wheel by placing a wrench on the rear

of the Motor shaft and the nut on the Blower Wheel. Rotate counterclockwise to loosen.

12.Remove three screws from Blower Scroll.

13.Remove Motor locking collar front and back to remove Motor.

Disassembly Procedures

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

Drum Removal / Roller / Glide Access

1. Disconnect power supply to unit.

2. Remove T op Cover and Front Panel, see “Top Cover / Door Switch / Front Panel / Gasket Removal” procedure.

3. Remove wires from light, see “Light Removal” procedure steps 3 - 4.

4. Remove four screws on Front Bulkhead.

5. Remove belt from Idler Pulley.

6. Grasp the Drum with one hand and the belt with the other. Lif t the Drum and slide out the front. Carefully spread the cabinet as needed to gain additional clearance.

7. Rear Rollers and Glides can be serviced as needed.

Disassembly Procedures

WARNING

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

Heater Removal

1. Disconnect power supply to unit.

2. Remove T op Cover and Front Panel, see “Top Cover / Door Switch / Front Panel / Gasket Removal” procedure.

3. Remove Belt from Idler Pulley .

4. Remove Drum.

5. Remove two screws securing Heater Assembly to rear bulkhead.

Drum Baffle Removal

1. Disconnect power supply to unit.

2. Remove T op Cover , see “Top Cover / Door Switch / Front Panel / Gasket Removal” procedure.

3. Remove two screws retaining Drum Baffle.

6. Disconnect wiring, drop Heater Assembly down and rotate out to remove.

Disassembly Procedures

WARNING

To avoid risk of personal injury or death; shut off gas supply to unit before servicing Burner Assembly .

Gas Model Disassembly

Igniter Removal

1. Disconnect power supply to unit.

2. Remove T op Cover.

3. Remove Console.

4. Remove Front Panel.

5. Loosen the single screw attaching the igniter to the Burner Assembly . Slide the Igniter back and remove.

T o avoid risk of electrical shock, personal injury or death; disconnect power to unit and shut off gas supply before performing any disassembly procedure.

NOTE: The Igniter Bar is fragile. Be careful not to

damage Igniter when removing Burner Assembly.

Burner Removal

1. Disconnect power supply to unit.

2. Shut off gas supply .

3. Disconnect incoming gas line to unit.

4. Remove two screws securing burner to bracket.

NOTE: The Igniter Bar is fragile. Be careful not to

damage Igniter when removing Burner Assembly.

5. Remove the two screws attaching the housing to the burner bracket. The screws are recessed from view .

6. Slide Burner Assembly from dryer .

+ 58 hidden pages

Hoover CDE9505AZ, CDE6505AZ, ADE9005AG, CDG6505, ADG7005AW Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual