GE GTDP740EDWW User manual

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Copyright General Electric 2012
12/3/2012
GTDP740EDWW/GDWW
GTDL740EDWW/GDWW
GTDS810EDWS/GDWS
GTDS815EDMC/GDMC
GTDS820EDWS/GDWS
GTDS825EDMC/GDMC
GHDS830EDWS/GDWS
GHDS835EDMC/GDMC
GTDS850EDWS/GDWS
GTDS855EDMC/GDMC
GTDS860EDWS/GDWS
GTDS865EDMC/GDMC
GE Appliance Park Proudly Presents
The Newly Designed GE Dryers For 2012
Colors
White/ White Silver Metallic/Carbon

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Copyright General Electric 2012
12/3/2012
Table of Contents
Page Number ……………………………………......Description
3, 4, 5 ………………………………………………………..Table Of Contents
6, 7, 8, 9 …………………………………………………...Safety
10 ………..……………………………………………………Nomenclature
11 ……………………………………………………………..Mini Manual location
12, 13 ……………………………………………………….Warranty Info
14 ……………………………………………………………..Schematic, Electric Dryer - AC Voltage Into The Board and
Motor Switch
15 ……………………………………………………………..Schematic Gas Dryer - AC Voltage To The Board
16 ……………………………………………………………..Schematic, Electric And Gas –Long Vent
17 ……………………………………………………………..Schematic, Electric And Gas –Mist Water Valve
18, 19, 20, 21 …………………………………………..Service Mode
22, 23 ,24 …………………………………………………Resistance/Voltage Charts
25 ……………………………………………………………..Main Board Connecter Locations
26 ……………………………………………………………..Diagnostics From The Board - Sensor Rods
27 ……………………………………………………………..Diagnostics From The Board - LED Light
28 ……………………………………………………………..Diagnostics From The Board - Inlet Thermistor
29 ……………………………………………………………..Diagnostics From The Board - Outlet Thermistor
30 ……………………………………………………………..Diagnostics From The Board - Heaters Resistance Reading
31 ……………………………………………………………..Diagnostics From The Board - Heaters Voltage Reading / Low
Heat or No Heat Issues

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Table of Contents
Page Number ……………………………………......Description
32 ……………………………………………………………. Diagnostics From The Board –Dead Board
33 ……………………………………………………………. Diagnostics From The Board –Water Valve
34 ……………………………………………………………. Diagnostics From The Board –Gas Valve
35 ……………………………………………………………. Diagnostics From The Board –Motor Resistance
36 ……………………………………………………………. Igniter And Flame Viewing
37 ……………………………………………………………. Installation
38 ……………………………………………………………. Installation –Cord Replacement
39 ……………………………………………………………. Installation –Vent Exhaust Length
40, 41, 42 ……………………………………………….. Installation - Location
43 ……………………………………………………………. Installation – Leveling and Stabilizing
44 - 52 ……………………………………………………. Reversing the Door Swing
53 - 58 ……………………………………………………. Controls
59 ……………………………………………………………. Dryer Features
60 ……………………………………………………………. Dryer Features –Clean Speak
61 ……………………………………………………………. Disassembly
62, 63, 64 ……………………………………………….. Disassembly – Backsplash Removal
65, 66 ……………………………………………………… Disassembly –Top Cover Removal
67, 68 ……………………………………………………… Disassembly –Front panel removal
69, 70 ……………………………………………………… Disassembly – Drum removal

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Copyright General Electric 2012
12/3/2012
Table of Contents
Page Number ……………………………………......Description
71 ……………………………………………………………. Disassembly –Internal Components –Electric
72 ……………………………………………………………. Disassembly –Internal Components Electric - Thermistor/
Thermostat Locations
73 ……………………………………………………………. Disassembly –Internal Components Gas
74 ……………………………………………………………. Disassembly – Internal Components Gas - Thermistor/
Thermostat Locations
75 ……………………………………………………………. Rear Roller Support Bulkhead - Removal
76 ……………………………………………………………. Blower
77 ……………………………………………………………. Heater Removal – Electric
78 ……………………………………………………………. Heater Removal – Gas
79 ……………………………………………………………. Heater Removal –Gas Valve Assembly
80 ……………………………………………………………. Heater Removal –Main Burner Assembly
81, 82 ……………………………………………………… Heater Removal –Glow Bar Replacement
83 …………………………………………………………... Flame sensor - Removal
84, 85 …….……………………………………………….. Water Valve
86 - 90 ……………………………………………………. Before You Call For Service
91 ……………………………………………………………. Any Questions - End

IMPORTANT SAFETY NOTICE
The information in this presentation is intended for use by individuals
possessing adequate backgrounds of electrical, electronic, &
mechanical experience. Any attempt to repair a major appliance may
result in personal injury & property damage. The manufacturer or seller
cannot be responsible for the interpretation of this information, nor can it
assume any liability in connection with its use.
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 necessary checks.
RECONNECTALL GROUNDING DEVICES
If grounding wires, screws, straps, clips, nuts, or washers used to
complete a path to ground are removed for service, they must be
returned to their original position & properly fastened.

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Copyright General Electric 2012
12/3/2012
G
Brand
P=Profile
G=GE
H=Hotpoint
M=Moffat
T
Config
T=Top Load
F=Front Load
U=Unitized
TL Derivatives
C=Contract
H=Home Depot
L= Lowes
M=Miscellaneous
D
Product
W=Washer
D=Dryer
M=Canadian
S
US Sold
Key Feature
S=Steam
A=Additives
C=Condenser
N=None/Stainless
P=7.0 duradrum
X=6.0 duradrum
L = Long Vent
WW
Specific Color
WW=White
BB=Black
CC=Bisque
MC = Metallic Carbon
MV=Metallic Red
MG=Metallic Gold
MS=Metallic Block
WS=Silver backguard
WT=Titanium backguard
D
Year
0
Color
0=White
5=Color
8 6
Series
E
Fuel
E=Electric
G=Gas
0
Engineering
Digit
2012 Clothes Care Nomenclature
Dryer

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Copyright General Electric 2012
12/3/2012
Mini Manual
Location
The Mini Manual is located
in the Backsplash area.
Remove power from the
dryer.
Follow the instructions for
rolling the Backsplash
forward on page 62,
Backsplash Removal.
Once it is rolled forward,
you will have access to
the Mini Manual.

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12/3/2012
Warranty

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Copyright General Electric 2012
12/3/2012
Warranty

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Copyright General Electric 2012
12/3/2012
Schematic
Electric Dryer - AC Voltage Into The Board And Motor Switch
Above diagram shows only non long vent and non steam models.

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Copyright General Electric 2012
12/3/2012
Schematic
Gas Dryer - AC Voltage To The Board
Above diagram shows only non long vent and non steam models.

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Copyright General Electric 2012
12/3/2012
Schematic
Electric And Gas –Long Vent
The strip circuit diagram below shows connections for
long vent models. It shows how the blower motor is
connected into the circuit from the board.
Board NEUTRAL is the WHITE
wire on the J8 connecter.

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Copyright General Electric 2012
12/3/2012
Schematic
Electric And Gas –Mist Water Valve
The strip circuit diagram below shows connections for
mist models. It shows how the water valve is connected
into the circuit from the board.
Board NEUTRAL is the WHITE
wire on the J8 connecter.

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Copyright General Electric 2012
12/3/2012
Service Mode
How to enter the service mode and navigate.
From an idle state, simultaneously press and hold the START and rotate the
CYCLE SELECT KNOB 180 degrees (8 Clicks) and then release the start button
to enter the service mode.
Upon entering the service mode the control will be in the test selection mode
and will be displaying test 1( )in the display.
Rotating the knob counter clockwise will increase the test number. Rotating
the knob clockwise will decrease the test number.
Once the test number is selected, press the start button to enter that test. To
exit that test, rotate the knob either CW or CCW.
Pressing the power button will exit the machine from the service mode.

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Service Mode
Tests
Blinks LED’s waiting for
input. Three sec press of
Time and Level keys.

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Copyright General Electric 2012
12/3/2012
VOLTAGES ARE
READ FROM
LINE to
NEUTRAL
Service Mode
Fault Codes
Errors that are not self explanatory.
F7 Miss-wire - will appear on the control and the user will be locked out from
running the machine until the voltage is the correct operating range.
(See Chart Below) Note- Dryer will operate normally with voltage frequencies of
45, 60 and 75 Hz automatically. Voltages are read from LINE to NEUTRAL
SSD means 7 Segment Display

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Copyright General Electric 2012
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Service Mode
Model Id Table

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Copyright General Electric 2012
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Resistance/Voltage Charts
Electrical Requirements
ELECTRICAL REQUIREMENTS:
Electric Dryer:
This dryer must be connected to an individual branch
circuit, protected by the required time-delay fuses or circuit
breakers. A four or three wire, single phase, 120/240V or
120/208V, 60Hz, 30 amp circuit is required. If the electric
supply does not meet the above specifications, then call a
licensed electrician.
WARNING - TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK AND PERSONAL INJURY:
• DO NOT USE AN EXTENSION CORD OR AN ADAPTER PLUG WITH THIS APPLIANCE.
Dryer must be electrically grounded in accordance with local codes and ordinances, or in the absence of local
codes, in accordance with the NATIONAL ELECTRICAL CODE, ANSI/NFPA NO. 70.
ELECTRICAL REQUIREMENTS:
Gas Dryer:
This appliance must be supplied with 120V, 60Hz, and
connected to a properly grounded branch circuit, protected by
a 15- or 20-amp circuit breaker or time delay fuse. If electrical
supply provided does not meet the above specifications, it is
recommended that a licensed electrician install an approved
outlet.
WARNING - THIS DRYER IS
EQUIPPED WITH A THREE-PRONG
(GROUNDING) PLUG FOR YOUR
PROTECTION AGAINST SHOCK
HAZARD AND SHOULD BE
PLUGGED DIRECTLY INTO A
PROPERLY GROUNDED THREE-
PRONG RECEPTACLE. DO NOT CUT
OR REMOVE THE GROUNDING
PRONG FROM THIS PLUG.
GROUNDING INSTRUCTIONS:
This dryer must be connected to a grounded metal,
permanent wiring system, or an equipment grounding
conductor must be run with the circuit conductors and
connected to the equipment grounding terminal on the
appliance.

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Copyright General Electric 2012
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Resistance/Voltage Charts
ELECTRIC HEATER –BLUE WIRE J2 TO WHITE WIRE J5 AT THE BOARD - 41.9 ohms -
240 v ac
IGNITER –55 ohm - 120 v ac –3.5 amps
L.E.D. TUB LIGHT- BLACK AND RED WIRES J11 AT THE BOARD - MULTI METER SET
TO DIODE WILL READ –0.7 VDC. DC VOLTAGE TO BULB FROM BOARD IS 3.8 v dc.
WATER VALVE –RED WIRE J5 TO BROWN WIRE J8 AT THE BOARD - 550 ohms –
120 v ac
GAS VALVE –OUTER LEFT POST ON DOUBLE COIL IS COMMON
NOTE: ALL METER READINGS CAN VARY DEPENDING ON THE METER USED TO TEST AND THE
LOCATION ON THE UNIT WHERE THE TEST IS DONE. I. E. AT THE BOARD OR THE COMPONANT. +/- 5%
Booster Coil
580 ohm 120 v ac
Main Coil
1300 ohm 120 v ac
Safety Coil
1400 ohm 120 v ac
Test Booster Here Test Safety Here Test Main Here

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FUSE RATING –CLASS CCCURRENT LIMITING TIME DELAY –CCMR 30AMP 600 v ac
Resistance/Voltage Charts
DRUM MOTOR - START WINDING - 3.14 ohm - 120 v ac
RUN WINDING - 3.36 ohm - 120 v ac
LONG VENT BLOWER MOTOR - 15 ohms 120 v ac