Model #41784072300 KENMORE Residential Dryer

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Question and Answers

Q:

Fuse for Model # 41784072300 41784072300 Kenmore Dryer

A:

Thank you for choosing SearsPartsDirect.com and being a valued member.  I can certainly understand how frustrating it can be when your dryer is not working properly. 

You will need a multi meter to test the parts for your dryer. 
 
 Heater-
 
 Terminal : 1 (COM) - 2- Resistance value : 10Ω
Terminal : 1 (COM) - 3- Resistance value : 10Ω
Terminal : 2 - 3- Resistance value : 20Ω
Thermistor:
Measure resistance of terminal to terminal
Temperature condition : Resistance value : 10Ω 
58°F ~ (10~40°C)
58°F ~ 104F (10~40°C)
 
Control thermistor- Remove wires from control thermistor. Measure resistance of thermistor. If reading is not 50 K (± 10%), replace thermistor. If reading is within 50 K (± 
 
 
 
10%), check wiring between thermistor and electronic control. If good, replace electronic control.
 
 
 
Heater Fault (no heating)- Position cycle selector to NORMAL, temperature selector to HIGH HEAT and touch START. Measure voltage across terminals on relay RL2 (heater relay) on electronic control. If meter reads 240V on electric models and 120V on gas models, replace electronic control. If meter reads zero, remove 
 
power from dryer. Disconnect wire going to NO terminal on the relay RL2. Reconnect power and measure voltage drop between terminal COM on relay RL2 and neutral. If meter reads zero, wire between incoming line and 
 
relay RL2 is open. If meter reads 120V, check the rest of the heater circuit.
 
 
 
Testing the thermistor:
 
1. Unplug dryer from electrical outlet and remove harness connections from thermistor. 
 
2. Measure the resistance of the control thermistor (the thermistor can remain on the blower
 
housing for measurement). NOTE: If the reading is less than 45K ohms or greater than
 
55K ohms @ 77°F, it is faulty. 
 
134587700 is the thermistor part number.
 
3204267 is the thermostat part number. 
 
 
 
If the thermistor checks okay, then you will need to test the thermostat. 
 
You can also visit searpartsdirect.com for parts, diagrams, and repair information.
 
 
 
If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .
 
 
 
Thank you for your question. Have a great day.
 
 
 
SAFETY NOTICE: Be sure to disconnect power to the appliance before performing any repairs. If you are not comfortable with doing any voltage checks that might be recommended, please contact your local service provider for repairs. Be aware that there could be sharp edges inside the appliance that could cause cuts or other injuries to yourself or others.

Read More
Natasha12 -
Sears Technician
July 29, 2015
A:
Natasha12 -
Sears Technician
July 29, 2015
See more answers
Q:

drying 41784072300 Kenmore Dryer

A:

Thank you for choosing SearsPartsDirect.com and being a valued member.  I can certainly understand how frustrating it can be when your dryer is not heating. 

You will need a multi meter to test the parts for your dryer. 

 
Heater-

  1.  Terminal : 1 (COM) - 2- Resistance value : 10Ω
  2. Terminal : 1 (COM) - 3- Resistance value : 10Ω
  3. Terminal : 2 - 3- Resistance value : 20Ω
Thermistor:
Measure resistance of terminal to terminal
Temperature condition : Resistance value : 10Ω 
58°F ~ (10~40°C)
58°F ~ 104F (10~40°C)

Control thermistor- Remove wires from control thermistor. Measure resistance of thermistor. If reading is not 50 K (± 10%), replace thermistor. If reading is within 50 K (± 

 

10%), check wiring between thermistor and electronic control. If good, replace electronic control.

 

Heater Fault (no heating)- Position cycle selector to NORMAL, temperature selector to HIGH HEAT and touch START. Measure voltage across terminals on relay RL2 (heater relay) on electronic control. If meter reads 240V on electric models and 120V on gas models, replace electronic control. If meter reads zero, remove 

power from dryer. Disconnect wire going to NO terminal on the relay RL2. Reconnect power and measure voltage drop between terminal COM on relay RL2 and neutral. If meter reads zero, wire between incoming line and 

relay RL2 is open. If meter reads 120V, check the rest of the heater circuit.

 

Testing the thermistor:

1. Unplug dryer from electrical outlet and remove harness connections from thermistor. 

2. Measure the resistance of the control thermistor (the thermistor can remain on the blower

housing for measurement). NOTE: If the reading is less than 45K ohms or greater than

55K ohms @ 77°F, it is faulty. 

134587700 is the thermistor part number.

3204267 is the thermostat part number. 

 

If the thermistor checks okay, then you will need to test the thermostat. 

You can also visit searpartsdirect.com for parts, diagrams, and repair information.

 

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

 

Thank you for your question. Have a great day.

 

SAFETY NOTICE: Be sure to disconnect power to the appliance before performing any repairs. If you are not comfortable with doing any voltage checks that might be recommended, please contact your local service provider for repairs. Be aware that there could be sharp edges inside the appliance that could cause cuts or other injuries to yourself or others.

 

Read More
Natasha12 -
Sears Technician
July 28, 2015
Q:

drying 41784072300 Kenmore Dryer

A:

Thank you for choosing SearsPartsDirect.com and being a valued member.  I can certainly understand how frustrating it can be when your dryer is not heating. 

You will need a multi meter to test the parts for your dryer. 

 
Heater-

  1.  Terminal : 1 (COM) - 2- Resistance value : 10Ω
  2. Terminal : 1 (COM) - 3- Resistance value : 10Ω
  3. Terminal : 2 - 3- Resistance value : 20Ω
Thermistor:
Measure resistance of terminal to terminal
Temperature condition : Resistance value : 10Ω 
58°F ~ (10~40°C)
58°F ~ 104F (10~40°C)

Control thermistor- Remove wires from control thermistor. Measure resistance of thermistor. If reading is not 50 K (± 10%), replace thermistor. If reading is within 50 K (± 

 

10%), check wiring between thermistor and electronic control. If good, replace electronic control.

 

Heater Fault (no heating)- Position cycle selector to NORMAL, temperature selector to HIGH HEAT and touch START. Measure voltage across terminals on relay RL2 (heater relay) on electronic control. If meter reads 240V on electric models and 120V on gas models, replace electronic control. If meter reads zero, remove 

power from dryer. Disconnect wire going to NO terminal on the relay RL2. Reconnect power and measure voltage drop between terminal COM on relay RL2 and neutral. If meter reads zero, wire between incoming line and 

relay RL2 is open. If meter reads 120V, check the rest of the heater circuit.

 

Testing the thermistor:

1. Unplug dryer from electrical outlet and remove harness connections from thermistor. 

2. Measure the resistance of the control thermistor (the thermistor can remain on the blower

housing for measurement). NOTE: If the reading is less than 45K ohms or greater than

55K ohms @ 77°F, it is faulty. 

134587700 is the thermistor part number.

3204267 is the thermostat part number. 

 

If the thermistor checks okay, then you will need to test the thermostat. 

You can also visit searpartsdirect.com for parts, diagrams, and repair information.

 

If you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: Sears Home Services .

 

Thank you for your question. Have a great day.

 

SAFETY NOTICE: Be sure to disconnect power to the appliance before performing any repairs. If you are not comfortable with doing any voltage checks that might be recommended, please contact your local service provider for repairs. Be aware that there could be sharp edges inside the appliance that could cause cuts or other injuries to yourself or others.

 

Read More
Natasha12 -
Sears Technician
July 28, 2015

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