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GE DHDVH52, Technical Service Manual

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GE DHDVH52 Technical Service Manual Download Page 24

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Electric Model 

Component Locator Views

Power Board

Blower

Blower Housing

Outlet Control Backup Thermostat

Motor

Idler Pulley

High Limit Thermostat

Inlet Control Thermistor

Inlet Safety Thermostat

Outlet Control Thermistor (behind baseplate)

(Continued Next Page)

Summary of Contents for DHDVH52

Page 1: ...GE Appliances General Electric Company Louisville Kentucky 40225 31 9136 GE Dryer DBVH512 DCVH515 DHDVH52 Technical Service Guide DECEMBER 2005 GE Consumer Industrial ...

Page 2: ...switch do not use any phone in the building Immediately call the gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach the gas supplier call the fire department WARNING 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 n...

Page 3: ...il Assembly 36 Heater Assembly 35 High Limit Thermostat 40 Idler Assembly 31 Ignitor 37 Ignitor Circuit Operation 38 Inlet Control Thermistor 39 Inlet Safety Thermostat 39 Introduction 5 LP Conversion 36 Moisture Sensor 43 Motor and Blower Wheel Assembly 32 Nomenclature 4 Operation Overview 22 Outlet Control Backup Thermostat 41 Outlet Control Thermistor 40 Pedestal Installation Washer and Dryer 1...

Page 4: ... T OCT 1996 R V NOV 1995 M Z DEC 1994 L The nomenclature tag is located on the front panel inside the door Note The technical sheet is located inside the control panel Model Number Capacity Configuration V Very Big D C V H 5 1 5 E F 0 W W Brand D General Electric Feature Packages B Base C Contract HPS HD Brand Feature Pack Backsplash Control Platform H Horizontal Color WW White GG Granite Engineeri...

Page 5: ...dual thermistors to monitor incoming air temperature as well as air temperature leaving the drum The sensors work together with the variable heater and the blower to provide consistent even heat Moisture Sensor The moisture sensor allows the control to monitor the fabric for moisture content and end the cycle at the desired moisture level Flush Door Handle Reversible Door UV Stabilizers The contro...

Page 6: ... COTTONS TIMED DRY DEWRINKLE SPEED DRY DELICATES HOLD 3 SEC TO STORE MY CYCLE HOLD 3 SEC TO LOCK CONTROL DELAY START EXTEND TUMBLE DAMP ALERT SIGNAL MORE DRY DRY LESS DRY DAMP SENSOR DRY LEVEL MEDIUM HIGH LOW EXTRA LOW TIMED DRY NO HEAT DRY TEMP ESTIMATED TIME REMAINING DELAY CLEAN LINT FILTER DRYING DAMP COOL DOWN 1 5 3 4 6 2 Model DHDVH52 6 DELAY START HOLD 3 SEC TO LOCK CONTROL START PAUSE ESTI...

Page 7: ... hurry such as sports or school uniforms Can also be used if the previous cycle left some items damp such as collars or waistbands Timed Dry Cycles DEWRINKLE For removing wrinkles from items that are dry or slightly damp This cycle is not recommended for delicate fabrics WARM UP Provides 10 minutes of warming time to warm up clothes AIR FLUFF Use this feature to tumble items without heat My Cycle ...

Page 8: ... items labeled Tumble Dry Low EXTRA LOW For lingerie and special care fabrics NO HEAT Can only be used with TIMED DRY START Press to start a dry cycle If the dryer is running press it once and it will pause the dryer Press it again to restart the dry cycle My Cycle on some models Set up your favorite combination of settings and save them here for one touch recall These custom settings can be set w...

Page 9: ...per will continue to sound every two minutes for the next 6 minutes until the clothes have been removed The clothes should be removed when the beeper goes off so wrinkles don t set in Press SIGNAL to select low medium or high volume or to turn the beeper off Delay Start Use to delay the start of your dryer 1 Choose your dry cycle and any options 2 Press DELAY START You can change the delay time in...

Page 10: ... seconds A beep will sound to indicate the cycle has been saved To use your custom cycle press the MY CYCLE button before drying a load To change the saved cycle set the desired settings and hold down the MY CYCLE button for 3 seconds See page 8 for more details DELAY CLEAN LINT FILTER DRYING DAMP COOL DOWN Estimated Time Remaining Displays the approximate time remaining until the end of the cycle...

Page 11: ...nto the slots then push the filter back down NOTE The drying rack must be used with the TIMED DRY or RACK DRY on some models cycles Do not use this drying rack when there are other clothes in the dryer Drum Lamp Before replacing the light bulb be sure to unplug the dryer power cord or disconnect the dryer at the household distribution panel by removing the fuse or switching off the circuit breaker...

Page 12: ...s a partially loosened screw to be used as a hook Loosen the top Phillips head screw then lift and unhook the door from the front panel Remove the top screw 3 To reverse the door swing Unplug the dryer from its electrical outlet Open the door to approximately 90 degrees Starting from the bottom to the top remove the bottom 4 Phillips head screws from the hinge Note Make sure the door is supported ...

Page 13: ...ite side of the hinge assembly Turn the door over Remove the 2 8 tapping screws and the hinge cover from the frame 7 Remove the window retainer located on the side opposite the hinge assembly and underneath the plastic cover 8 Turn the door over separate the door cover from the door frame and set the cover aside 6 Door Frame Door Cover Remove the 2 8 machine screws that attach the hinge assembly t...

Page 14: ... one hand and install 2 8 machine screws that secure the hinge assembly to the door frame 13 Place the door flat and insert the window retainer Align the window retainer holes with the holes in the door frame 14 Place the door on its edge Install the remaining 2 8 machine screws that attach the window retainer to the door frame 15 Insert and align the hinge cover with the holes in the door frame 16...

Page 15: ...he window panes Place the door cover onto the door frame 18 Outer Door Inner Door Top of Door Top of Door Door Frame Door Cover Remove the 4 Philllips head screws that attach the strike bracket and cover to the front panel Reinstall both on the opposite side 21 Note To ease installation of the door the hinge has a keyhole that allows a partially fastened screw to be used as a hook Partially fasten...

Page 16: ...allation Note DO NOT remove washer shipping bolts prior to pedestal installation Shipping bolts MUST be reinstalled if previously removed Care should always be taken when laying the washer or dryer on its side to prevent component damage Do not lay washer or dryer on its back Use a pad or protective surface when laying washer or dryer on its side To install the pedestal Lay the washer or dryer on ...

Page 17: ...OT tighten the bolts Align the pedestal with the unit Use an 8 mm socket wrench to securely tighten the bolts 7 8 9 10 Note The support pads should be installed on the dryer only DO NOT INSTALL THE PADS ON THE WASHER PEDESTAL Install a support pad at each top corner of the pedestal Ensure both protrusions on each pad are inserted in the holes on top of the pedestal 6 Continued Next Page Pull the d...

Page 18: ...the washer or dryer upright Move it close to its final location Make sure that the washer or dryer is level by placing a spirit level on top Check side to side and front to back Use an open end or adjustable wrench to adjust the legs in or out Tighten the locknuts against the bottom of the pedestal Note To minimize vibration the locknuts must be tight 13 14 15 Screw locknuts onto the supplied level...

Page 19: ...me Location Requirements When installed in a location other than an alcove or closet the minimal clearances to combustible surfaces and for air opening are 0 inches on both sides and 1 inch at the rear Note If your dryer is approved for installation in an alcove or a closet it will be stated on a label on the back When installed in an alcove or closet Minimum clearance between dryer cabinet and ad...

Page 20: ... 2 y g g Back out and remove all 4 leveling legs Remove the adhesive backing and firmly place the 4 rubber pads over the leg brackets 3 Leg bracket Align the holes in the left bracket with the holes in the bottom left corner of the dryer Attach the bracket using 2 12 x 1 in Phillips head screws 4 Continued Next Page Align the holes in the right bracket with the holes in the bottom right corner of t...

Page 21: ... Lift the dryer high enough to clear the washer control panel and place the dryer on top of the washer Align the holes in the brackets with the holes in the back of the washer Attach the brackets to the washer using 4 8 x in Phillips head screws 9 10 WARNING Do not push on the dryer after it is stacked on the washer Pushing on the dryer may result in pinched fingers Caution Use felt pads or other s...

Page 22: ...activated 3 The heater coils burner for gas models are activated The coils burner cycle on and off to achieve the desired temperature throughout the heating portion of the cycle 4 If sensor drying is selected the heater coils burner for gas models are activated The coils burner cycle on and off until the load has achieved the desired dryness level 5 If timed drying is selected the heater coils bur...

Page 23: ... 23 Airflow Gas Dryer Electric Dryer Gas Dryer Electric Dryer ...

Page 24: ...ocator Views Power Board Blower Blower Housing Outlet Control Backup Thermostat Motor Idler Pulley High Limit Thermostat Inlet Control Thermistor Inlet Safety Thermostat Outlet Control Thermistor behind baseplate Continued Next Page ...

Page 25: ...del Outlet Control Backup Thermostat Blower Blower Housing Motor Power Board Inlet Safety Thermostat Gas Valve Inlet Control Thermistor Outlet Control Thermistor behind baseplate Continued Next Page Idler Pulley ...

Page 26: ... 26 Continued Next Page CN 101 TB103 TB102 TB101 TB100 Power Board Electric Models CN 101 TB101 TB100 Power Board Gas Models CN100 CN111 CN110 CN110 CN100 CN111 ...

Page 27: ... 27 Control Board Assembly Electric and Gas Models Front View Rear View Ribbon to CN110 Ribbon to CN110 ...

Page 28: ... cover rearward Note It may be helpful to place a putty knife along the top seam between the cover and the control panel then tap lightly rearward 1 Control Panel Removal of the control panel provides access to the control board assembly The control panel is held in place with 2 screws on the top and 4 bottom tabs To remove the control panel Remove the top panel See Top Panel Disconnect the contro...

Page 29: ...the cabinet base 3 Drive Belt WARNING Sharp edges may be exposed when servicing the dryer Use caution to avoid injury and wear Kevlar gloves or equivalent protection The drive belt part WE12M22 extends from the motor pulley past the idler pulley and around the perimeter of the dryer drum Belt tension is maintained by the idler pulley and driven by a pulley attached to the rear of the motor shaft T...

Page 30: ...harnesses 1 2 Gas Model Disengage the front plastic wire retainer from the cabinet by pressing the tabs inward Remove the 2 Phillips head screws that attach the power board bracket to the cabinet Carefully place the bracket on the rear plate 3 4 Wire Retainer Bracket Screw 1 of 2 Remove 1 Phillips head screw from each side of the cabinet then gently spread the sides apart to provide clearance for ...

Page 31: ...emove the idler assembly Remove the drive belt See Drive Belt WARNING The idler arm is under high tension To prevent injury do not let the idler arm snap back Release tension on the idler assembly by unlocking the idler arm from the top right corner of the motor support Remove the idler arm from the slot in the motor base plate 1 2 3 Remove the idler assembly from the dryer 4 Drum Shaft Bearing Th...

Page 32: ... wheel assembly must be removed to replace the motor or blower wheel separately To remove the motor and blower wheel assembly Remove the top control and front panels See Top Panel Control Panel and Front Panel Remove the drum See Drum Remove the idler assembly See Idler Assembly 1 2 3 Outlet Control Backup Thermostat Outlet Control Thermistor Motor Harness Belt Switch Remove the in hex head screw ...

Page 33: ...te Note When installing the motor and blower wheel assembly ensure that the 2 front tabs and the 2 rear tabs on the motor bracket are inserted into slots provided in the bottom of the base plate 11 To replace the blower wheel Loosen the 3 8 in hex head screw that secures the blower wheel clamp to the motor shaft Pull the blower wheel off the shaft To replace the motor Remove the 2 Phillips head sc...

Page 34: ...the 2 hex head screws that hold the front motor strap to the motor Compress then remove the rear motor strap from the motor base plate 2 3 Remove the 7 Phillips head screws that attach the blower housing to the base plate Slide the blower housing to the right 6 7 Note When reinstalling the blower housing ensure the 3 tabs are inserted into the front base plate Screws Tabs Blower Housing The blower...

Page 35: ...ousing to the cabinet 1 2 3 4 Remove the coils from the gas valve See Coils Turn the bracket over Remove the 2 Phillips head screws that attach the gas valve to the gas valve bracket Note Upon reassembly ensure the gas valve bracket is inserted under the 2 tabs located in the chassis bottom 8 9 Gas Valve The gas valve is attached to a bracket located in the bottom right front corner of the dryer c...

Page 36: ...See Top Panel Control Panel and Front Panel Remove the drum See Drum Disconnect the wire harness from both coils 1 2 3 Continued Next Page Bracket Locator Pins Lift the bracket vertically Lift coils to remove Note Upon reassembly ensure the locator pins are inserted into the holes provided in the coil bracket 5 LP Conversion The gas dryer comes equipped for natural gas The dryer can be converted t...

Page 37: ...ignitor Note The ignitor is very fragile Care must be taken to avoid breaking the ignitor when reinstalling the burner 7 Ignitor Wire Harness Remove the burner Remove the Phillips head screw that attaches the ignitor to the bracket 5 6 Ignitor The ignitor is located at the end of the gas valve assembly in the combustion chamber opening and has a maximum rating of 4 amps The ignitor has an approxim...

Page 38: ...ster coil outlet control backup inlet safety thermostats to L1 3 N through safety coil and outlet control backup inlet safety thermostats to L1 When the glo bar is heating the booster and safety coils are both energized and will open the safety valve The main valve is closed as its coil is bypassed by the N C flame detector When the glo bar reaches ignition temperature in approximately 60 seconds o...

Page 39: ...le Phillips head screw then lift and slide the thermistor from the heater assembly 1 2 3 4 Inlet Safety Thermostat The inlet safety thermostat is located on the top left area of the heater housing It is left of the inlet control thermistor The thermostat monitors incoming air temperature If the thermostat reaches a temperature beyond its maximum temperature rating it will trip and disable power to...

Page 40: ...ea of the blower housing It is below the outlet control backup thermostat The outlet control thermistor measures outgoing air temperature and responds to temperature changes The outlet control thermistor provides temperature change information to the power board The power board makes heating decisions based on this information The outlet control thermistor has the same resistance values as the inl...

Page 41: ...s the drum light receptacle and remove the receptacle from the drum glide assembly Caution Upon reassembly ensure that the door switch drum light and sensor wiring are retained and routed properly to avoid contact with the drum 3 Tabs Support Slides Guide Slide Guide Slide Drum Slide Assembly The drum slide assembly is located on the back side of the front panel and utilizes 4 drum slides Two whit...

Page 42: ...e front panel by 2 locking tabs and is common to all dryer functions When the dryer door is closed the switch will complete the motor circuit allowing dryer operation When the door is open the switch will open the motor circuit interrupting dryer operation Opening the dryer door will also cause the door switch to close the drum light circuit allowing the drum light to be energized Specific failures...

Page 43: ...curate sensor drying If the front of the dryer is raised too high clothes will tumble toward the rear of the drum preventing contact with the sensor rods This could produce a false dryness reading Moisture Sensor The moisture sensing circuit consists of 2 sensor rods They are mounted beneath the lint filter on the drum side of the air duct Power Board The power board is mounted in a plastic housing...

Page 44: ...emove the 4 Phillips head screws that attach the control panel mounting bracket to the control panel Remove the bracket 1 2 3 4 5 Note Each cycle selection button assembly is held to the plastic housing with a locking tab s and strut s system Press the locking tab s then carefully lift each cycle selection button to clear the strut s from the plastic housing 7 Note The replacement control board wi...

Page 45: ... computed version stored in the non volatile memory t05 User Interface Control turns on all LEDs and the 7 segment display t06 Keys Continuity Verifies that all displays and buttons work t07 Outlet Thermistor Displays outlet thermistor temperature t08 Inlet Thermistor Displays inlet thermistor temperature t09 Moisture Sensor Displays voltage read from the moisture sensor t10 Exhaust Detection Verifi...

Page 46: ...ill sound the key press beep and display EEP after successful comparison or sound the invalid key beep and display Err if unsuccessful Press Power Returns to t04 t05 Start Pause Turns on all LEDs and the 7 segment display Press Power Returns to t05 t06 Start Pause The control will sound a beep as long as any key is pressed Press Power Returns to t06 t07 Start Pause Turns on motor and inner coil el...

Page 47: ...oor switch Door switch malfunction No E61 Control board L2 and N incorrectly wired ac input too high Yes E80 Control board Invalid UI model No E81 Control board Invalid power model No Error Codes NOTE It s important to note error codes should only be used to help identify those components which require testing Never replace a part based solely on an error code The control can generate a false erro...

Page 48: ...sconnect electrical power before servicing Caution Label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify operation after servicing Schematics and Wiring Diagrams Continued Next Page ...

Page 49: ...49 Gas Model WARNING Disconnect electrical power before servicing Caution Label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify operation after servicing ...

Page 50: ... or limitation of incidental or consequential damages This warranty gives you specific legal rights and you may also have other rights which vary from state to state To know what your legal rights are consult your local or state consumer affairs office or your state s Attorney General Warrantor General Electric Company Louisville KY 40225 All warranty service provided by our Factory Service Center...

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