GE Profile Combo Dryer Taking Too Long: Drainage Height... | appliancefaults.com

Technical Background:

The MCU (Main Control Unit) monitors various sensors, including the vent temperature sensor and drain pump operation. If the MCU detects a problem with drainage or temperature, it may extend the drying cycle or halt it altogether. Voltage paths to the drain pump and vent sensor need to be verified.

Symptoms:

The GE Profile Combo washer/dryer is taking significantly longer than usual to dry clothes. The clothes may still be damp after a full drying cycle. The customer suspects drainage issues based on previous observations.

Possible Causes:

Incorrect drain hose height.
Clogged drain pump filter.
Restricted vent duct.
Faulty vent temperature sensor.
Software glitch in the MCU.

Solution:

1

Unplug the unit from the 120V AC outlet.
2

Inspect the drain hose. It should be between 30 and 96 inches above the floor. Adjust as needed.
3

Locate and clean the drain pump filter. Usually located behind a small access panel near the bottom. Use a 1/4-inch nut driver to remove the access panel.
4

Disconnect the vent duct from the back of the unit and check for lint buildup. Clear any obstructions.
5

Use a multimeter to test the vent temperature sensor. It should read a resistance value correlating to the vent temperature. Refer to the service manual for the specific resistance range at room temperature (approx. 75 degrees F).
6

As a last resort, try power cycling the unit. Unplug it for 5 minutes and plug it back in. This may reset the MCU and clear any temporary errors.

Safety Warning:

Always disconnect power to the appliance before performing any repairs. Verify power is off using a multimeter at the outlet (120V AC). Follow Lock Out/Tag Out (LOTO) procedures to prevent accidental power restoration during service.

Prevention:

Clean the lint filter after every drying cycle. Regularly inspect the vent duct for lint buildup, at least every 6 months. Check the drain pump filter every 3 months and clean as needed.

Expert Tip:

Enter service mode by pressing and holding the 'Start' and 'Temperature' buttons simultaneously for 3 seconds. Navigate through the error code history using the cycle selection knob to identify any stored faults that may not be actively displayed.

Frequently Asked Questions

•What is the correct resistance value for the vent temperature sensor at room temperature (75°F)?

Refer to the GE service manual for your specific model. The resistance will vary depending on the sensor type, but it is typically in the range of 5k to 15k ohms at 75°F.

•How do I access the drain pump filter on my GE Profile Combo?

The drain pump filter is usually located behind a small access panel near the bottom front of the unit. You may need a 1/4-inch nut driver to remove the access panel screws.

•What is the maximum length allowed for the vent duct?

The maximum vent duct length depends on the number of elbows used. As a general rule, keep the duct as short and straight as possible. Consult the installation manual for specific length limitations.

GE Profile Combo Dryer Taking Too Long: Drainage Height Troubleshooting

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•What is the correct resistance value for the vent temperature sensor at room temperature (75°F)?

•How do I access the drain pump filter on my GE Profile Combo?

•What is the maximum length allowed for the vent duct?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: