GE GFDS350ELWW Service Manual Download Page 77

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Gas Valve Coils

The burner assembly has a gas
valve that utilizes 3 coils.
A double coil (safety and booster
coils combined) and a single main
coil are located on top of the gas
valve in front of the combustion
chamber opening.

All coils can be replaced separately.

Gas valve coil assembly resistance
values:
•

Safety coil terminals -

1400

Ω

•

Booster coil terminals -

580

Ω

•

Main coil terminals -

1300

Ω

Summary of Contents for GFDS350ELWW

Page 1: ...2011 GE HA Dryer Upgrade GFDS350 Series GE 7 5 cu ft stainless steel capacity dryer with Steam Options Models GFDS350ELWW GFDS350GLWW GFDS355ELMV GFDS355GLMV GFDS355ELMS GFDS355GLMS Service Guide 31 9...

Page 2: ...GFDN240 Series GE 7 0 cu ft stainless steel capacity dryer Models GFDN240ELWW GFDN240GLWW GFDN245ELMS GFDN245GLMS GFDN245ELMV GFDN245GLMV NOTE 240 series is the same as the 350 series but without ste...

Page 3: ...for the interpretation of this information nor can it assume any liability in connection with its use WARNING To avoid personal injury disconnect power before servicing this product If electrical powe...

Page 4: ...fety Glasses must be ANSI Z87 1 2003 compliant Safety Glasses must be ANSI Z87 1 2003 compliant Prescription Safety Glasses Prescription Safety Glasses Plano Type Safety Glasses Plano Type Safety Glas...

Page 6: ...011 6 Model Serial The full model serial tag is located on the front panel inside the door opening There is also a barcode sticker that displays the model serial and is located on the left front of th...

Page 9: ...de Pedistal Stacked Dryer can be stacked on the washer Kit for stacking dryer over washer is not included with the washer Order GEFLSTACK Machines can be stacked on a pedestal These can be ordered sep...

Page 10: ...cold water supply Since the washer must also connect to the cold water a Y connector is inserted to allow both inlet hoses to make that connection at the same time NOTE Use the new inlet hoses Y conn...

Page 11: ...the cabinet STANDARD REAR EXHAUST Dryer Exhaust to the rear of cabinet for Gas and Electric models SIDE VENTING Dryer Exhaust to right of cabinet for Electric models only Dryer Exhaust to left of cab...

Page 12: ...wait 10 seconds Plug the unit back in Within 30 seconds after plugging in the unit press the Start Pause button 4 times within 3 seconds with the door open To exit Demo Mode Repeat the above sequence...

Page 13: ...e STEAM REFRESH Cycle the unit will beep and display Garments Ready and 0 00 If the unit is not turned off or if the door is not opened the dryer will continue to tumble for 30 minutes At the end of 3...

Page 14: ...Steam Dewrinkle For use with larger loads than STEAM REFRESH Ideal for loads left in dryer for an extended time Selecting a larger cycle than needed e g selecting Large Load for a half full dryer may...

Page 15: ...represents only a reminder and does not always appear when the filter needs cleaning The filter should be cleaned after every drying cycle is complete This message will disappear after the START butt...

Page 16: ...al energy consumption of specific dryer cycles by adjusting certain heat settings and extending dry times NOTE Cycle times will change when e Dry is selected This cycle can be used with DELICATES ACTI...

Page 17: ...k The drying rack is designed for use with the TIMED DRY cycles Use with sensor cycles may result in damp items or extended cycle times Do not use this drying rack when there are other clothes in the...

Page 19: ...ay through before starting Handle parts carefully to avoid scratching the paint Set screws down by their related parts to avoid using them in the wrong places Provide a non scratching work surface for...

Page 20: ...Remove the Phillips head screw that attaches the control panel rear trim Pull the trim piece backward and remove Note It may be helpful to place a putty knife along the top seam between the trim and t...

Page 21: ...Disassembly Top Panel 2 Remove the 2 Phillips head screws that attach the top panel to the cabinet 3 Raise the front of the top panel approximately 3 inches then pull forward to clear the rear tabs L...

Page 22: ...Copyright 2011 22 Disassembly Control Panel Removal of the control panel provides access to the control board assembly To remove the control panel 1 Remove the cycle selector knob by pulling outward...

Page 26: ...2011 26 Electronic Control System To remove the electronic control board 1 Set the control panel in the service position 2 Remove the 6 Phillips head screws that attach the selector board to the cont...

Page 27: ...ontrol System To remove the electronic power board 1 Remove the top panel 2 Disconnect 11 wires and wiring harnesses from the power board 3 Remove the 2 Phillips head screws to release the power board...

Page 28: ...lectronic Control System Model Select plug Note If replacing the electronic control transfer the model selector harness at J5 to the replacement control board in the same location as on the original J...

Page 30: ...nel 2 Disconnect the drum lamp door switch wire harness and the sensor rod wire harness connected to the power board 3 Remove the 2 Phillips head screws from the front panel bracket 4 Remove 4 Phillip...

Page 31: ...31 Disassembly Front Panel 6 Loosen several turns but do not remove the 2 Phillips head screws from the bottom of the front panel 7 Remove 2 Phillips head screws from the top of the front panel Bottom...

Page 32: ...t 2011 32 Disassembly Front Panel 8 Tilt the top edge of the front panel out and press on the John Guest connector collar to release the water line 9 Lift front panel from the bottom two screws and se...

Page 33: ...ed on the back side of the front panel To remove the air duct assembly 1 Remove the front panel 2 Remove the single Phillips head screw that attaches the sensor ground wire to the cabinet Sensor Rod G...

Page 34: ...hat attach the air duct assembly to the front panel 4 Grasp each side of the air duct assembly and unsnap the air duct from the front panel Caution Upon reassembly ensure that the door switch drum lig...

Page 35: ...asp each side of the air duct assembly and unsnap the air duct from the front panel at the points indicated Caution Upon reassembly ensure that the door switch drum light and sensor wiring are retaine...

Page 36: ...4 drum slides Two white outer slides are used as guides and 2 dark color center top slides are used to support the weight of the drum When replacing the slides the dark colored support slides must be...

Page 37: ...Drum Slides To Remove Drum Slides Remove top panel control panel then tilt the front panel outward 1 Grasp individual slides at the non tabbed end and pry up slide 2 Release slide from tab on duct as...

Page 38: ...ted inside the front of the dryer on the right side of the air duct assembly The steam nozzle consists of a brass orifice and a fine filter screen If the orifice should become plugged or restricted it...

Page 39: ...eplaced without disassembly of the dryer Replacement can be performed by opening the dryer door to access the steam nozzle A 7 16 or 11 mm nut driver can be used to unscrew the nozzle from the air duc...

Page 40: ...duct assembly 2 Press on the John Guest connector collar and release the water line from the steam nozzle connector 3 Remove the Phillips head screw that attaches the nozzle to the nozzle housing 4 Pu...

Page 41: ...locking tabs 1 on each side When the dryer door is closed the switch will complete the drum motor circuit allowing dryer operation When the door is open the switch will open the drum motor circuit int...

Page 42: ...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 Operation of the moisture sensor can be checked by using servic...

Page 43: ...The dryer will signal when the clothes are at 17 moisture level if equipped with a damp signal that has been selected Approximate values for dryness level Damp 17 Less dry 12 Dry 2 6 More dry 2 Plug...

Page 44: ...lizes a low voltage capacitor that charges to approximately 5 VDC when the circuit is open and discharges to less than 1 VDC when the circuit is shorted When wet clothes tumble across the two rods the...

Page 45: ...tends from under the motor pulley over the top of the idler pulley and around the perimeter of the dryer drum See belt diagram Belt tension is maintained by the idler pulley and driven by a pulley att...

Page 46: ...o the right and lock the idler arm on the top corner of the motor bracket to release belt tension 3 Remove the belt from the motor pulley and remove through the front of the dryer Pulley shown in lock...

Page 47: ...e top corner of the motor bracket 3 Place the belt in position around the center of the drum through the front of the dryer 4 Place the belt in position around the motor pulley see diagram release the...

Page 48: ...elt switch activated by the idler arm is fastened to the motor bracket by 2 screws Should the drive belt break the belt switch will open the drive motor circuit interrupting dryer operation Note The d...

Page 49: ...er arm If the drive belt breaks or comes off the idler pulley the belt switch opens power to the motor interrupting dryer operation The drum lamp will operate with an open belt switch To remove the be...

Page 50: ...opyright 2011 50 Drum The drum is made of 304 stainless steel and has three replaceable baffles The drum rotates counterclockwise as viewed from the front at a speed of 47 to 51 rpm Drum Baffle Screws...

Page 52: ...screws The bearing can be removed by pulling it off the shaft The drum shaft and bearing fit into the bearing retainer in the center of the heater assembly electric models or diffuser assembly gas mo...

Page 53: ...ap Assembly The drum shaft and bearing fit into the bearing retainer in the center of the heater assembly electric models or diffuser assembly gas models The assembly is held to the back side of the h...

Page 54: ...e plate The assembly is located to the left of the motor To remove the idler assembly 1 Remove the drum WARNING The idler arm is under high tension To prevent injury do not let the idler arm snap back...

Page 56: ...r inlet valve can be checked by using service test mode T07 The water inlet valve is located inside the cabinet at the bottom right hand corner The water valve is enclosed under a metal cover The cove...

Page 57: ...Copyright 2011 57 Water Valve To replace the inlet water valve 1 Remove the drum 2 Remove the 2 Phillips head screws that hold the cover to the cabinet and remove the cover by lifting up and out...

Page 58: ...ual water that may escape from the valve fill hose and tubing 3 Disconnect the water inlet hose 4 Disconnect the coil wiring 5 Press the John Guest connector collar and remove the water outlet tubing...

Page 59: ...eset overload protector The overload protector is an internal component of the motor and cannot be replaced separately The motor contains a centrifugal switch that serves three purposes It disengages...

Page 60: ...2011 60 Motor Blower Wheel The blower wheel is held to the motor shaft with a 15 16 in 24 mm molded nut Motor resistance values Start winding 2 3 ohms Run winding 2 3 ohms Turn nut Counterclockwise T...

Page 61: ...61 Motor Blower Wheel To remove the motor 1 Disconnect power to the unit 2 Remove the drum See Drum 3 Remove the Phillips head screw and the thermostat moisture shield from the front frame Thermostat...

Page 63: ...the motor bracket 6 Disconnect the motor wire harness 7 Disconnect the wires attached to the belt switch 8 Remove the single vertical and single horizontal Phillips head screws that attach the motor b...

Page 65: ...bottom of the chassis Slide the motor bracket back until the bracket tabs clear the slots in the chassis Remove the motor and blower wheel assembly from the chassis Note When installing the motor and...

Page 66: ...Copyright 2011 66 Motor Blower Wheel 12 Hold the motor shaft from turning and use a 15 16 in 24 mm socket to remove the blower wheel from the motor shaft M otor Shaft 1 5 1 6 i n M o l d e d N u t...

Page 67: ...minals at the 9 30 o clock position After installing the motor ensure both moisture shields are properly installed 13 Compress and remove the rear motor strap from the motor support 14 Loosen the two...

Page 68: ...g is attached to the dryer with 7 screws and 3 tabs To remove the blower housing 1 Remove the motor and blower wheel 2 Remove the single Phillips head screw located inside the outlet of the exhaust pi...

Page 69: ...g 3 Remove the 7 Phillips head screws that attach the blower housing to the base plate 4 Slide the blower housing to the right Note When reinstalling the blower housing ensure the 3 tabs are inserted...

Page 70: ...um It consists of inner and outer open wire elements each formed in a zigzag pattern fastened to a single housing The inner element consists of 2 elements wired in parallel with each The inner element...

Page 71: ...d the outer element draws approximately 12 5 amps at 240 VAC The outer element has a resistance value of 19 2 When energized the 2 inner elements draw approximately 12 5 amps at 240 VAC The 2 inner el...

Page 72: ...eater assembly it is necessary to remove the drum Lead wires can then be removed from the elements inlet safety thermostat inlet control thermistor and high limit thermostat The heater assembly is att...

Page 73: ...pyright 2011 73 Heater Assembly Heater is available in the following manners 512 Heater housing asm includes hi limit and bearing retainer WE11M42 513 Heater housing WE11M43 514 Mica heater asm WE11M3...

Page 75: ...Copyright 2011 75 Heater Assembly 3 Rotate mica assembly slightly counterclockwise to align numerous gaps on mica surface with tabs on housing 4 Lift mica heater assembly from housing Tab Gap Tab Gap...

Page 76: ...ner assembly consists of the gas valve coils gas valve burner and inlet pipe Burner assembly can be converted to LP gas by installing a WE25X217 Conversion Kit Burner assembly can be converted back to...

Page 77: ...coil safety and booster coils combined and a single main coil are located on top of the gas valve in front of the combustion chamber opening All coils can be replaced separately Gas valve coil assemb...

Page 79: ...e position of the locator pins inserted in the coil bracket 5 Remove the 2 Phillips head screws that attach the coil bracket to the valve body 6 Lift the bracket vertically Lift coils to remove Note U...

Page 80: ...right front corner of the dryer cabinet To remove the gas valve 1 Shut off the gas supply to the unit 2 Disconnect gas supply from the burner inlet pipe 3 Remove the drum 4 Remove 2 Phillips head scre...

Page 81: ...s and the 2 wires from the flame detector 6 Disconnect the coil wire harness from each coil 7 Remove the 2 Phillips head screws that attach the gas valve bracket to the dryer floor 8 Pull the bracket...

Page 82: ...he 3 Phillips head screws that attach the gas valve to the gas valve bracket Caution The ignitor is very fragile To prevent breaking the ignitor care must be taken when installing the gas valve Note U...

Page 83: ...stion chamber opening and has a maximum rating of 4 amps The ignitor has an approximate resistance value of 300 to 500 The ignitor is attached to the gas valve bracket with a Phillips head screw To ac...

Page 84: ...of the combustion chamber It is necessary to remove the flame detector moisture shield to remove the flame detector To remove the flame detector 1 Remove the drum 2 Remove 2 Phillips head screws from...

Page 85: ...or 4 Remove the Phillips head screw that holds the flame detector to the combustion chamber 5 Remove the flame detector from the tab at the bottom Note Upon reassembly ensure the tab at the bottom of...

Page 86: ...of the inlet control thermistor On gas models the inlet safety thermostat is located on the right side of the diffuser above the inlet control thermistor The thermostat monitors incoming air temperat...

Page 87: ...lly On gas dryers the inlet safety thermostat opens at 300 F and will automatically reset at 260 F Electric Model Shown To remove the inlet safety thermostat 1 Remove the drum 2 Disconnect the 2 wires...

Page 88: ...ety thermostat On gas models the inlet control thermistor is located on the right side of the diffuser below the inlet safety thermostat The thermistor monitors incoming air temperature and will respo...

Page 89: ...ssociated with the inlet control thermistor can initiate error codes E3 and E4 To remove the inlet control thermistor 1 Remove the drum 2 Disconnect the 2 wires from the inlet control thermistor 3 Rem...

Page 90: ...trol thermistor is located on the lower rear area of the blower housing It is below the moisture shield and the outlet control backup thermostat The outlet control thermistor measures outgoing air tem...

Page 91: ...e outlet control thermistor can initiate error codes E5 and E6 To remove the outlet control thermistor 1 Remove the drum 2 Remove the Phillips head screw and the thermostat moisture shield from the fr...

Page 92: ...er Dryer goes into this fall back mode when it has determined that it can no longer rely on thermistor temperature to control applied heat This can occurs when a thermistor cannot sense heat failed op...

Page 93: ...s located on the upper rear area of the blower housing It is below the moisture shield and above the outlet control thermistor The outlet control backup thermostat monitors the outgoing air temperatur...

Page 94: ...155 F To remove the outlet control backup thermostat 1 Remove the drum 2 Remove the Phillips head screw and the thermostat moisture shield from the front frame 3 Disconnect the 2 wires from the outle...

Page 95: ...on the top right area of the heater housing On gas models the high limit thermostat is located on the upper right side of the diffuser The high limit thermostat monitors incoming air temperature If th...

Page 96: ...and will automatically reset at 250 F To remove the high limit thermostat 1 Remove the drum 2 Disconnect the 2 wires from the high limit thermostat 3 Remove the Phillips head screw that attaches the...

Page 97: ...number t01 Rotating the knob counter clockwise CCW shall decrement the test number in the display Rotating the knob clockwise CW shall increment the test numbers in the display Once the test number is...

Page 102: ...pyright 2011 102 Strip Circuit Checking Thermostats Remove Power Measure resistance between J2 Pin 3 J8 If all thermostats are intact reading should be 0 M e t e r L e a d M e t e r L e a d J8 J2 Pin...

Page 103: ...Copyright 2011 103 Strip Circuit Belt Switch Remove Power Measure resistance between J2 Pin 4 Plug If belt switch motor are intact reading should be 3 J2 Pin 4 Plug Meter Lead Meter Lead...

Page 106: ...011 106 Strip Circuit Door Switch J1 3 Remove Power Measure resistance between J1 Pin 3 Neutral Plug The resistance should read 0 with the door closed and with the door open Plug J1 Pin 3 M eter Lead...

Page 108: ...Copyright 2011 108 Strip Circuit Strip Circuit Water Valve Remove Power Measure resistance between J20 Plug The resistance of the valve coil should read 400 Meter Lead M eter Lead J20 Plug...

Page 109: ...Strip Circuit Strip Circuit Door Switch J1 3 Remove Power Measure resistance between J1 Pin 3 Neutral Plug The resistance should read 0 with the door closed and with the door open Plug J1 Pin 3 M ete...

Page 110: ...Copyright 2011 110 Strip Circuit Strip Circuit Belt Switch Remove Power Measure resistance between J2 Pin 4 Plug If belt switch is intact reading should be 3 J2 Pin 4 Plug Meter Lead Meter Lead...

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