GE Profile Combo Dryer: Troubleshooting Long Drying... | appliancefaults.com

Technical Background:

The GE Profile Combo utilizes a main control unit (MCU) to manage the drying cycle. The MCU relies on input from various sensors, including a thermistor (temperature sensor) and a moisture sensor, to determine the drying time. The evaporator fan motor circulates air through the condenser coils, removing moisture from the clothes. If the evaporator fan motor fails or is obstructed, the drying process will be significantly prolonged. The MCU monitors the voltage path to the motor and reports errors. Improper voltages to the motor can also be symptomatic of a failing MCU.

Symptoms:

The homeowner reports that the GE Profile Combo dryer is taking significantly longer than usual to dry clothes. Clothes may still be damp after a full drying cycle. The homeowner may also hear unusual noises coming from the dryer section, but the main complaint is extended drying times.

Possible Causes:

Blocked lint filter or exhaust duct.
Faulty evaporator fan motor.
Defective thermistor or temperature sensor.
Control board malfunction.
Clogged condenser coils.

Solution:

1

Unplug the appliance from the 120V AC outlet.
2

Locate the evaporator fan motor, usually behind an access panel in the dryer section. You may need a 1/4-inch nut driver to remove the panel screws.
3

Inspect the fan blades for obstructions and remove any lint or debris.
4

Using a multimeter, check the evaporator fan motor for continuity. A reading of infinite resistance indicates a failed motor. A typical resistance for a working motor is between 10-50 ohms.
5

Check the thermistor located near the evaporator coil. A normal resistance should be specified in the tech sheet. Compare the thermistor resistance to the temperature chart in the tech sheet.
6

If the motor is faulty, replace it with a new one. Ensure the new motor is the correct part number for the GE Profile Combo.
7

Clear all lint from the exhaust duct using a dryer vent cleaning kit.

Safety Warning:

Always disconnect power to the appliance before performing any repairs. Capacitors in the control board can hold a charge even after the appliance is unplugged. Use caution when working near electrical components. Follow Lock Out/Tag Out (LOTO) procedures.

Prevention:

Clean the lint filter after every drying cycle. Regularly inspect and clean the exhaust duct to prevent lint buildup. Periodically check the condenser coils for clogs.

Expert Tip:

To enter service mode on the GE Profile Combo, simultaneously press and hold the Start/Pause and Signal buttons for 3 seconds. This will allow you to run diagnostic tests and check for error codes.

Frequently Asked Questions

•What is the correct resistance range for the thermistor at room temperature (70°F)?

The thermistor resistance should be approximately 10,000 ohms at 70°F. Refer to the technical service manual for the specific resistance chart.

•Where can I find the tech sheet for my GE Profile Combo model?

The tech sheet is usually located behind the lower access panel or taped to the inside of the appliance. It provides valuable information about wiring diagrams, component locations, and diagnostic procedures.

•What is the part number for the evaporator fan motor for my GE Profile Combo?

You can find the correct part number by checking the model number on the appliance and searching for the evaporator fan motor on a reputable appliance parts website or by contacting GE directly.

GE Profile Combo Dryer: Troubleshooting Long Drying Times - Evaporator Fan Motor Guide

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•What is the correct resistance range for the thermistor at room temperature (70°F)?

•Where can I find the tech sheet for my GE Profile Combo model?

•What is the part number for the evaporator fan motor for my GE Profile Combo?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: