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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. 

September 2006 

16026775 

©2006 Maytag Services 

 

5

Membrane Pad Continuity Checks 
 
Note: 

Unplug connector and touch probe of meter to the 

appropriate pin numbers. Meter will show infinity on 
open keys and continuity on closed keys. 

 

Membrane 

Pad 

Pin Number  Pin Number 

Sensor dry 

J7(12) 

J7(13) 

Time dry 

J7(11) 

J7(13) 

Time(+)  

J7(10) 

J7(13) 

Time(-)  

J7(9) 

J7(13) 

Dry Temp(^) 

J7(11) 

J7(14) 

Dry Temp (v) 

J7(10) 

J7(14) 

Dryness level (^) 

J7(12) 

J7(14) 

Dryness level (v) 

J7(19) 

J7(14) 

*

 Hidden Key 

J7(11) J7(15) 

Wrinkle Prevent 

J7(9) 

J7(15) 

Air Fluff 

J7(10) 

J7(15) 

Start/Pause J7(11) 

J7(16) 

Signal(-) J7(12) 

J7(15) 

Off J7(9) 

J7(16) 

)  

J7(12) 

J7(16) 

Motor Schematic

es pt on Connec

Pin

Co

Pin

ol age

om en

Heater Relay  Internal 

Output 

P1 BB1(1) 

120VAC 

 

LI Board (input) 

BB1(1) 

BB2(3) 

120VAC 

Door must be closed. 

Motor 

(input) 

BB1(2) 

BB2(3) 

120VAC 

Door must be closed 

Neutral (input) 

BB2(2) 

BB1(1) 

120VAC 

 

Door Sense 

BB2(3) 

BB1(1) 

120VAC 

Door must be open 

Thermistor J4(1) 

J4(2) 

5VDC 

NTC 

70   F = 10K ohms 

º

150 F 

1754 

ohms 

 

º

Sensor Bar 

J4(3) 

J4(4) 

24VDC 

 

 

Summary of Contents for CDE4205A SERIES

Page 1: ...an for servicing or repair of this unit Refer to Service Manual 16023110 for detailed installation operating testing troubleshooting and disassembly instructions CAUTION All safety information must be followed as provided in Service Manual 16023110 WARNING To avoid risk of electrical shock personal injury or death disconnect power to dryer before servicing unless testing requires power ...

Page 2: ...s flex ductwork installed Poor makeup air available for the dryer Incorrect tumbler speed Tumbler belt slipping Blower impeller bound check for foreign material in blower area Customer overloading dryer Check clothing labels for fabric content and cycle selected Clothes too wet due to insufficient spin out by washer Will Not Shut Off Short in Sensor Circuit Check Membrane Pad Check Electronic Cont...

Page 3: ...agnostic codes only The key will be referred to as hidden key and is located under the surface of the last character y in the brand nam e Diagnostic Tests The following table lists the various tests available while in the Service M ode Key Press Special Test Function Hidden Key See Control Diagnostics Dry Temp D isplay diagnostic codes Sequence thru diagnostic codes Dryness Level View tum bler te ...

Page 4: ...orted during startup Check for Loose connections in motor circuit Run System Check Mode and check the motor relay function If relay functions disregard the diagnostic code If relay does not function replace machine control board 5 Not Used 6 Non Volatile Memory Problem Detected with integrity of parameters stored in EEPROM memory Disregard 8 Stuck Key A key is sensed to be pressed more than 75 sec...

Page 5: ... J7 13 Time J7 10 J7 13 Time J7 9 J7 13 Dry Temp J7 11 J7 14 Dry Temp v J7 10 J7 14 Dryness level J7 12 J7 14 Dryness level v J7 19 J7 14 Hidden Key J7 11 J7 15 Wrinkle Prevent J7 9 J7 15 Air Fluff J7 10 J7 15 Start Pause J7 11 J7 16 Signal J7 12 J7 15 Off J7 9 J7 16 Signal J7 12 J7 16 Motor Schematic es pt on Connec Pin Co Pin ol age om en Heater Relay Internal Output P1 BB1 1 120VAC LI Board inp...

Page 6: ...Diagram and Schematic WARNING To avoid risk of electrical shock personal injury or death disconnect power to dryer before servicing unless testing requires power 16026775 September 2006 2006 Maytag Services 6 ...

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