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Troubleshooting Procedures 

 

!

WARNING

 

To avoid risk of electrical shock, personal injury, or death, disconnect power to dryer before servicing, unless 
testing requires power. 
 

16026881  

September 

2006 

RPL 16026540 

 

©2006 Maytag Services 

6

125V/10A

120V/10W(E12)

Function

1M

2M

3M

5M

6M

Start

Run

= Contact closed 

160

°

C ,25A

thermal cut-off

127/99

°

C ,25A

HI-limit

240V/5300W

 

Heating Element (Electric)

 

 
 
 
 
 
 
 
 
 
 
• Measure resistance of the following terminal 
1)  Door switch knob : open 

Terminal : “COM” - “NC” (1-3) : 

 

 

Terminal : “COM” - “NO” (1-2) < 1

 

2)  Door switch push : On 

Terminal : “COM” - “NC” (1-3) : 

 

 

Terminal : “COM” - “NO” (1-2) < 1

 

 
 
 
 
 
 
 
 
 
 
 
Light resistance 80~100 

 (Violet & gray)

 

 
 
 
 
 
 
 
 
 
 
 

• Belt Cut-off S/W 
- Lever open : Resistance value < 1

 

- Lever push : Resistance value

 

 
 
 
 
 
 
 

 

• Motor (Electronic & GAS) 
Contacts 

 

 
 
 
 
 

Centrifugal Switch (Motor) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Radiant Sensor (Gas) 
 

 
 
 
 
 
 
 
Resistance across terminal indicates a closed switch 
 

TH2 Hi-Limit (Gas) 

 
 
 
 
 
 
 
 
 
 
Less than 1 ohm 

 

 
 
 

Summary of Contents for , MDG6700A Series

Page 1: ...ized technician for servicing or repair of this unit Refer to Service Manual 16026446 for detailed installation operating testing troubleshooting and disassembly instructions CAUTION All safety information must be followed as provided in Service Manual 16026446 WARNING To avoid risk of electrical shock personal injury or death disconnect power to dryer before servicing unless testing requires powe...

Page 2: ...ase Incorrect wiring or wire shorted to ground Drive motor winding shorting to ground Will Not Dry Will not heat motor runs Open heating element Hi Limit trips easily or is open Regulating thermostat trips easily or is open Membrane switch open Check Thermistor Will Not Dry Gas Models Poor Gas Ignition When the dryer is operated on a heat setting the igniter should be energized and burner shall fi...

Page 3: ...hime and Temperature Keys for 3 seconds or until 3 beeps are heard The machine will now be in Service Mode Upon entry into Service Mode the Sensor Bar Touch Data is to be displayed Exit Service Mode Press the OFF key to exit Service Mode or repeat the Chime and Temperature sequence Diagnostic Tests The following table lists the various tests available while in the Service Mode Before advancing to ...

Page 4: ...l be displayed Rotate the Cycle Selector Knob in either direction to step through the list of codes one code at a time Once an initial direction is selected by the user either Clockwise or Counterclockwise subsequent movements of the knob in the same direction will show older codes If the user changes direction and turns the knob in the opposite direction the more recent code will be displayed Whi...

Page 5: ...e Check for diagnostic code 1 do Door Open Running the dryer with door open Check for Close the door and run the dryer Loose or open wire terminals in Door Sense circuit Check for diagnostic code 3 FE Power source frequency Error Invalid power source frequency Check for Not using regular power source frequency Invalid power frequency sense circuit dC Door Circuit Failure Invalid state for more tha...

Page 6: ...ut off 127 99 C 25A HI limit 240V 5300W Heating Element Electric Measure resistance of the following terminal 1 Door switch knob open Terminal COM NC 1 3 Ω Terminal COM NO 1 2 1Ω 2 Door switch push On Terminal COM NC 1 3 Ω Terminal COM NO 1 2 1Ω Light resistance 80 100 Ω Violet gray Belt Cut off S W Lever open Resistance value 1Ω Lever push Resistance value Motor Electronic GAS Contacts Centrifuga...

Page 7: ...OR CN3 CN6 123 45 Gas Valve Sensor Bars temperature sensor check Sensor Bars Disconnect harness and test Pink wire Pin 4 to Orange wire Pin 5 Approx infinity Ω without laundry load approx 190 Ω 10 with wet clothes Cycling Thermostat Disconnect harness and test Blue wire Pin 2 to Red wire Pin 6 Approx 10 K Ω at 25 C 77 F Check across terminals 1 and 3 Booster Coil 550 ohms Check across terminals 1 ...

Page 8: ...Schematic WARNING To avoid risk of electrical shock personal injury or death disconnect power to dryer before servicing unless testing requires power 16026881 September 2006 RPL 16026540 2006 Maytag Services 8 ...

Page 9: ...Schematic WARNING To avoid risk of electrical shock personal injury or death disconnect power to dryer before servicing unless testing requires power September 2006 9 16026881 2006 Maytag Services RPL 16026540 ...

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