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GE Appliances

General Electric Company

Louisville, Kentucky 40225

31-9148

GE Consumer & Industrial

Technical Service Guide

December 2006

GE DRYER

DSXH47EG

DSXH47GG

Summary of Contents for DSXH47EG

Page 1: ...1 GE Appliances General Electric Company Louisville Kentucky 40225 31 9148 GE Consumer Industrial Technical Service Guide December 2006 GE DRYER DSXH47EG DSXH47GG ...

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 ...

Page 3: ...rive motor circuit 17 Temperature sensing circuit 17 The heating circuit 17 Drying time 18 Electrical Operation Gas dryer models 18 Electronic control board circuits 18 Drive motor circuit 18 Temperature sensing circuit 19 The heating circuit 19 Drying time 20 TROUBLESHOOTING 21 Service Error codes 21 Error code chart 22 Troubleshooting flow charts 23 Electric dryer completely inoperative 23 Gas d...

Page 4: ...g the rear access panel 38 Releasing the dryer belt 38 Removing the vane from the drum 38 Removing the drum 38 Removing the belt 39 Removing the ball hitch from the drum 39 Removing the teflon glides 39 Removing the drum heat shield Electric dryers 40 Removing the hitch 40 Removing the high limit thermostat 40 Removing the thermal limiter Electric dryers 40 Removing the heating element assembly El...

Page 5: ...K REFERENCE SHEET 1 Serial nameplate location On the front panel at the left side of the dryer door opening 2 Tech sheet location On the right hand bodyside behind the front panel and inside rear access panel ...

Page 6: ... make the DAMP LED come on 4 Turns Drive motor runs heat source is off a When the TEMPERATURE selec tor is rotated there should be a key beep with each setting QUICK REFERENCE SHEET b When the DRYNESS key is pressed all the dryness level LEDs should light c When the OPTIONS or Select key is pressed all the options LEDS should light d When the START key is pressed all the cycle status LEDs should l...

Page 7: ...idth Depth Vent Capability Top Finish Port Opening Sq In ELECTRIC MODELS 120 208 or 120 240 30 160 350 Watts 3200 4500 5 7 Power Paint Epoxy 48 54 200 138 190 134 180 130 170 120 165 36 27 28 5 4 Way Power Paint Enamel 235 GAS MODELS 120 15 160 350 Watts 20 000 Yes 5 7 Power Paint Epoxy 48 54 200 145 190 140 180 130 170 120 165 36 27 28 5 3 Way Power Paint Enamel 235 Electric dryers can be vented ...

Page 8: ...4 h p 1725 rpm Motor Start Winding Motor Run Winding Heating Element Control Thermistor Burner Assembly Ignitor Secondary Coil Booster Coil Electric Models 4 5 Ohms 3 8 Ohms 12 8 Ohms 50 000 Ohms Gas Models 4 5 Ohms 3 8 Ohms 50 000 Ohms 50 400 Ohms 1200 Ohms 1320 Ohms 10 77 F ...

Page 9: ...9 WIRING DIAGRAM FOR ELECTRIC MODELS ...

Page 10: ...10 WIRING DIAGRAM FOR GAS MODELS ...

Page 11: ...are dry or slightly damp This cycle is not recommended for delicate fabrics TIMED DRY Set the Cycle Selector at the desired drying time Fabric Care HIGH For regular to heavy cottons MEDIUM For synthetics blends and items labeled permanent press or tumble dry medium heat LOW For knits delicates synthetics and items labeled tumble dry low heat NO HEAT For fluffing items without heat Use the TIMED DR...

Page 12: ...ted above the dryer door opening 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 To replace the dryer light Using a small flat blade screwdriver pry the bottom of the light cover out and off the light housing Unscrew the bulb when cool and replace it with an ...

Page 13: ... air either warmed or room temperature through the clothes while they are being tumbled by a turning drum The moisture from the clothes is exhausted through the dryer vent system to the outside of the house The basic components are Drum Heat Source Electric Gas Drive motor and blower ...

Page 14: ...ement heats the air as it passes through The air then is drawn into the drum through the holes in the rear of the drum Control thermistor Electronic control board Airflow Since the moisture in the clothes is removed by air moving through the drum it is important to understand the complete air flow system Airflow electric dryers Room air enters the dryer through a louvered panel in the rear right h...

Page 15: ...the rear of the drum The air enters the cavity through the louvered opening in the right rear corner of the dryer The air is then pulled across the gas burner through the burner chamber and ducted to the rear of the drum The drum is the same as in the electric dryer except it does not have a heat baffle on it Airflow problems Airflow problems are usually caused by restrictions leaks or short unres...

Page 16: ...gned to operate under some back pressure This back pressure is needed to slow the airflow and allow the air to be heated before it passes through the clothes Note With short direct vent runs such as you have when the dryer is installed against an outside wall use a 2 1 2 vent cap rather than a 4 vent cap Electrical Operation Electric Dryer Models Note Always refer to the wiring diagram or sche mat...

Page 17: ...eutral voltage is applied across both the start and run windings of the drive motor With power applied to both the start and run windings the motor starts to turn When the speed of the motor reaches about 80 of it s normal run speed the contacts of the centrifugal switch remove power from the start winding thus removing the start winding from the circuit The drive motor preforms two tasks in the d...

Page 18: ...sfies the electronic control the cycle status changes from Auto Dry to Cool Down and the load is tumbled without heat At the end of cycle the electronic control will turn the dryer off and the end of cycle signal sounds Electrical Operation Gas Dryer Models Note Always refer to the wiring diagram or schematic with the product When the dryer is connected to electrical power line 1 is connected to p...

Page 19: ...in the blower fan housing is a negative coefficient thermistor that decreases in resistance as the temperature increases The electronic control board reads the resistance of the thermistor and converts it into temperature The electronic control compares the reading from the thermistor to the temperature setting for the cycle and cycles the heating circuit accordingly The Heating Circuit The electr...

Page 20: ...ther side of the holding coil booster coil and igniter are connected to neutral through the second centrifugal switch in the motor closed when the motor is running When power is applied across these circuits current flows through the holding coil but the holding coil does not have enough magnetic force to open the solenoid by itself At the same time current flows through the sensor contacts provid...

Page 21: ...e START indicator light will flash the number of times for the second digit after the E The code is obtained by counting the number of times the lights flash Example E24 the four indicator lights would flash twice indicating the 2 and the START indicator light will flash four times indicating the 4 The four indicator lights and the START indicator light will start flashing at the same time The con...

Page 22: ...Pause Cancel and Select buttons for time for that cycle 6 seconds to exit test modes Position cycle selector to NORMAL temperature selector to HIGH HEAT and touch START Check for any thing that would extend dry times such as no heat restricted vent blower fan blade broken or loose dryer installed in closet with solid door or bad connection in moisture sensor bar circuit or dirty bars If dryer oper...

Page 23: ...between the red wire on the thermal limiter and neutral Yes Measure the voltage drop between the orange wire on the thermal limiter and neutral 120VAC Defective thermal limiter 0 Measure the voltage drop between pins 1 2 of the eight pin plug of the wire harness to the control board 120VAC Broken wire between thermal limiter and the control board 0 120VAC Defective control board Is an error code d...

Page 24: ... button is pushed No Defective household power supply or broken wire between dryer terminal block and thermal limiter Yes Measure the voltage drop between pins 1 2 of the eight pin plug of the wire harness to the control board 0 120VAC Defective control board Is an error code displayed No Refer to error code chart Yes Measure the voltage drop between pins 1 2 of J 4 120VAC Defective control board ...

Page 25: ...sible E 4A Note Always check wiring to the components Check washer spin cycle Are the clothes wetter than normal when removed from the washer Yes Clear vent Is the vent restricted Yes No No Refer to dryer not heating properly flow chart Is the dryer heating properly Review proper programming of the control with the customer Yes Is the dryer level so the clothes touch the sensor bars Yes Level drye...

Page 26: ... and L2 at the termi nal block Below 215 VAC Have customer check house wiring Measure the voltage drop between two terminals of the heating element Not the same as between L1 L2 Above 215 VAC Check for poor connections in the dryer heating circuit The same as between L1 L2 Check the resistance of the control thermistor at room temperature 50000 Ohms 10 Defective electronic control Defective thermi...

Page 27: ...ermistor More or less than 53000 Ohms 10 Program the dryer for a Normal Cycle with Low Temp and touch Start Listen to hear if the burner cycles Yes Clean the orifice and check the valve Burner does not cycle Burner cycle Dryer overheats Electric and Gas dryers dryer over heating Possible E 8C Note Always check wiring to the components Is the vent restricted Clear vent system Yes No Check the resis...

Page 28: ...t thermostat Remove power from the dryer and disconnect the black wire from RL 2 Restart the dryer and measure the voltage drop between red wire on RL 2 and neutral 0 120 VAC Open wire from terminal block 0 120 VAC Defective heating element 240 VAC 0 240 VAC Remove power from the dryer reconnect the black wire from RL 2 and disconnect the plug from the drive motor Restart the dryer and measure the...

Page 29: ...lows full brilliance then dims Defective gas valve or gas supply Program the dryer for a Normal Cycle with High Temp and touch Start Measure the voltage drop between the two terminals of RL 2 Defective electronic control board 120 VAC 0 120 VAC Remove power unplug the igniter and measure the resistance of the igniter Measure the voltage drop from the terminal on the sensor with the orange wire to ...

Page 30: ...yer is level or slightly tipped forward Using the on function test do the 3 o clock test Refer to page 8 Tested good Tighten the connections or replace the wire Replace the electronic control Checks good Check the connections at the bars and the wiring between the control and the bars Are the sensor bars clean No Yes Clean bars Failed test Checks bad ...

Page 31: ...N This section describes how to remove components from both gas and electric dryer Unless stated the procedure is the same on all dryers Unless stated reverse the procedure to reinstall the component Always remove electrical power from the dryer when working in an area where electrical power is present Always turn the gas off to the dryer before opening any gas piping Removing the top panel 1 The ...

Page 32: ...the 3 tabs at the top and lift the control board out Note Be careful not to lose the springs Removing the programming buttons and springs 1 Disconnect dryer from the electrical supply and remove the control board 2 Lift the buttons and springs out of the console 3 The buttons are not all the same Each button has a Roman numeral stamped into it and the console has Roman numerals above the button sl...

Page 33: ...the door to the hinges Disassembling the loading door 1 Remove the door from the dryer 3 Lift the shaft out of the control Removing the selector knob shaft 1 Disconnect dryer from the electrical supply turn the SELECTORknobtothe12o clockpositionand removethecontrolboard 2 Lift the shaft out of the control Removing the selector knob 1 Disconnect dryer from the electrical supply and remove the contr...

Page 34: ...d push it through the inner panel Removing the door seal 1 The door seal is fastened to the inner door liner by expandable tabs pushed through slots in the liner 2 If the seal is to be replaced open the door and pull the seal from the liner If the seal is to be reused separate the panels and use a small screwdriver to push the tabs through the liner Removing the front access panel 1 Place a 2x4 un...

Page 35: ... and front access panel 2 Remove the 2 screws one on each side at the bottom holding the front panel to the bodysides 3 Remove the 2 screws one on each side about 8 inches down from the top that secure the front panel to the bodysides 4 Pull out on the bottom of the front panel to release the spring load tabs 5 Liftuponthefrontpaneltoreleasethe 2 tabsatthe top one on each end and swing the panel o...

Page 36: ...driver release the spring clip from the backcatch and push the catch out the front Replacing the sensor bars 1 Disconnect the dryer from electrical supply 2 Open the dryer door and remove the lint screen 3 Remove the 2 screws holding the vent grill to the front panel 4 Pull the grill into the drum and disconnect the wires Replacing the front panel air duct 1 Disconnect the dryer from electrical su...

Page 37: ... 4 To replace a seal pull the old seal off and glue the replacement to the rim Replacing the drum light bulb 1 Open the dryer door release the clip holding the light shield by pushing up and unscrew the bulb Replacing the drum light housing 1 Disconnect the dryer from electrical supply 2 Remove the top lean the top of the front panel forward and disconnect the wires from the light socket 3 Push in...

Page 38: ...lacing the foam seal 1 Disconnect the dryer from electrical supply 2 Remove the front panel 3 The foam seal glued to front panel duct seals between the front panel duct and the blower 4 Toreplacetheseal pulltheoldsealoffandgluethe replacement to the duct Removing the rear access panel 1 Remove the 2 screws holding the access panel to the rear panel and swing the left side of the vent out to diseng...

Page 39: ... the belt from the motor 4 From the front slightly raise the front of the drum and slide the belt off Removing the ball hitch from the drum 1 Disconnect the dryer from electrical supply and remove the drum 2 Remove the 3 screws from inside the drum holding the ball to the drum Removing the teflon glides 1 Disconnect the dryer from electrical supply and remove the front panel 2 Squeeze the tabs to ...

Page 40: ...he two screws holding the thermal limiter to the rear panel Removing the drum heat shield Electric dryer 1 Disconnect the dryer from electrical supply and remove the drum 2 Remove the 3 screws holding the shield to the rear of the drum Removing the hitch 1 Disconnect the dryer from electrical supply and remove the drum 2 Using a 5 16 nut driver remove the 2 screws holding the hitch to the rear pan...

Page 41: ...he rear of the cabinet Removing the control thermistor 1 Disconnect the dryer from electrical supply and remove the front panel 2 Disconnect the wires from the thermistor and re move the 2 screws holding the thermistor to the blowerhousing Removing the blower housing and fan blade 1 Disconnect the dryer from electrical supply and remove the drum 2 Remove the control thermistor 3 Using a 7 8 socket...

Page 42: ...l supply and remove the rear access panel 2 Release the belt from the motor pulley 3 Release the idler spring from the motor and lift the assembly off the motor Removing the drive motor 1 Disconnect the dryer from electrical supply and removethedrum 4 Remove 2 screwsholdingthehousingtothedryer base 5 Remove the front motor lock by inserting a screw driver at the rear of the housing to release the ...

Page 43: ...rical supply 2 Unplug the wires from the valves 2 Unplug the harness from the motor and remove the idler assembly 3 Unscrew the blower wheel from motor shaft 4 Release the front motor lock from the blower housing 5 Release the spring hold down on the rear of the motor and lift the motor out Removing the burner Gas dryer 1 Disconnect the dryer from electrical supply and remove the front panel 2 Unp...

Page 44: ...the front panel 2 Disconnect the 2 wires from the sensor 3 Remove the 1 screw holding the sensor to the combustion chamber Removing the combustion chamber Gas dryer 1 Disconnect the dryer from electrical supply remove the sensor and gas valve assembly 3 Using a 15 16 open end wrench disconnect the manifold pipe from the valve 4 Remove the 1 screw securing the gas valve assembly bracket to the base...

Page 45: ...sconnect manifold pipe from the valve 2 Remove the 2 screws holding the combustion chamber to the base raise the end and pull the chamber out of the duct Removing the duct and heat shield Gas dryer 1 Disconnect the dryer from electrical supply remove the drum 2 Remove 4 screws holding the heat shield to the rear panel 3 Lift the shield and duct out of the dryer and remove the 3 screws holding duct...

Page 46: ...etween the vent pipe and blower housing Gas dryer 1 Disconnect the dryer from electrical supply 2 Remove front panel and slide the gasket completely onto the vent pipe 3 Remove the vent pipe out the rear of the dryer and remove the gasket from the vent pipe 4 When reinstalling install the gasket on the vent pipe install the vent pipe in the dryer and slide half of the gasket onto the blower housin...

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