Whirlpool MED / GD 9700S, MED / GD 9600S manual Test #3c Thermal Cutoff Test Electric Dryers only

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TEST #3c: THERMAL CUTOFF TEST (ELECTRIC DRYERS ONLY)

If the dryer does not produce heat, check the status of the thermal cutoff.

1.Unplug dryer or disconnect power.

2.Access the thermal cutoff by first remov- ing the toe panel.

3.Use an ohmmeter and check the continu- ity across the thermal cutoff.

•If the ohmmeter indicates an open cir- cuit, replace the failed thermal cutoff and high-limit thermostat. In addition, check for failed heat element, or blocked or improper exhaust system.

TEST #4: MOISTURE SENSOR TEST

NOTE: This test is performed when an auto- matic cycle stops too soon, or runs much longer than expected. The test is started with the dryer completely assembled. The dryer will shut down automatically after 2-1/2 hours.

The following items are part of the moisture sensor system:

•Harness/connection

•Metal sensor strips

•Electronic control board

1.Enter the Diagnostic Test mode.

2.Open the dryer door. If a beep tone is heard, and a software revision number is displayed on the console as soon as the door is opened, a short circuit exists in the moisture sensor system.

•If this does not occur, proceed to step 3.

•Otherwise, go to step 4

NOTE: Overdrying may be caused by a short circuit in the sensor system.

3.Bridge the two metal sensor strips on the face of the lint screen housing with a wet cloth or your finger.

•If a beep is heard and a software revi- sion number is displayed on the con- sole, the sensor has passed the test. Proceed to step 4.

•If the test is not successful, unplug the dryer or disconnect power.

•Access the moisture sensor and discon- nect the sensor wires from the harness (see the illustration below). Proceed to step 8.

Drum

FRONT

Harness

Connection

Blower Housing

4.Unplug dryer or disconnect power.

5.Access the electronic control board and remove the P2 connector from the board. Use an ohmmeter and touch the test leads to connector terminals 1 (yellow/red wire) and 2 (black wire).

•If the meter does not indicate an open circuit (infinite), go to step 6.

•Otherwise, measure the resistance at pins 1 and 2 of connector P2 on the

electronic control board. If a resistance less than 1 MΩ is measured, inspect the control board for any debris bridg- ing the pins. If no debris is present, re- place the board.

6.Access the moisture sensor by removing the toe panel. Disconnect the moisture sensor from the wire harness.

7.Measure the resistance across the outer- most contacts of the cable that includes the two red discs (MOVs).

•If a small resistance is measured, re- place the wire harness and moisture sensor.

•Otherwise, go to step 8.

6-10

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Contents Epic Goals and Objectives ForwardTable of Contents Page General Safety FirstModel Number Model & Serial Number DesignationsSerial Number Model & Serial Number Label Tech Sheet Locations 12345 14367389 SpecificationsPurchased.9869374149893467762934899691241473393 12345included.12345467892649 527932759675445627927 1234546345 675794786 67846977 677 747276243454 12345678296745542764656457 For a grounded, cord-connected dryer 5766377275369#8 63#64456 648789123456 8567Into a hook shape 42Connect the other wires to outer terminal block screws 123456783933345678933 33333333333743263747322374 6963747322374796 66466374732237427643764732237426263346 32584 12324567289273835229322996 1232462345678834962 147 12342567254 323439262534922625 32221234563789 5632 759428 36969879766977%%6&997969 Component Locations Burner Gas Burner AssemblyFunnel Removing the Electronic Control Board Relay K1 P2 Removing the Console & Touchpad Subassembly Touchpad Subassembly Console Subpanel Catch Removing the Door Switch On the next To remove the thermal fuse or ther- mistorTo remove the drive motor To remove the belt switch To remove the heater To remove the high-limit thermostat or the thermal cutoff Removing the BELT, DRUM, & Rollers To remove the belt and drum To remove a roller Removing the Drum Light Socket Squeeze Arms Removing the Moisture Sensor To remove the burner assembly Manifold Clamp Screw To remove the high-limit thermostat To remove the flame sensorHeater Component TestingDrive Motor Thermal Fuse Thermistor Thermal Cutoff Electric Dryers only Resistance Tests Burner Ignitor GAS Burner CoilsHIGH-LIMIT Thermostat Flame SensorDiagnostic Guide DiagnosticsElectrostatic Discharge ESD Sensitive Electronics Diagnostic Tests Display FAULT/ERROR CodesActivating The Diagnostic Test Mode Diagnostic Moisture Sensor Diagnostic Console switches and indica- torsGas Dryers Only TroubleshootingTroubleshooting Guide Troubleshooting TestsElectric Dryers Only Test #2 Motor Circuit Test Dryer does not heat Test #3 Heater TestTest #3a Thermistor Test Heat will not shut offTest #3c GAS Valve Test GAS Dryers only Test #3b Thermal Fuse TestTest #4 Moisture Sensor Test Test #3c Thermal Cutoff Test Electric Dryers onlySingle LED does not light up E3 error code is displayedNone of the LEDs light up Particular group of LEDs does not light upIf using an analog meter, the resis If using a digital meter, the resistanceChecking The Button Functions Checking The Rotary Cycle Selector Test #6 Door Switch TestPage Wiring Diagrams Page Product Specifications Warranty Information Sources
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