Admiral Dishwasher Error Code 1-1: Control Board Failure... | appliancefaults.com

Technical Background:

error code 1-1 on Admiral dishwashers typically indicates a failure within the main control board. The MCU (Microcontroller Unit) on the board is responsible for managing all aspects of the dishwasher's operation, including motor control, water level sensing, and cycle timing. A fault in the MCU or associated circuitry can trigger this error. Voltage paths essential for the MCU's operation may be disrupted.

Symptoms:

The Admiral dishwasher displays error code 1-1 on the control panel. The dishwasher may not start, may not complete cycles, or may exhibit other unusual behavior.

Possible Causes:

Failed main control board
Loose wiring harness connection to the control board
Power surge damaging the control board
Short circuit in a connected component affecting the control board
Defective door switch incorrectly signaling the control board

Solution:

1

Disconnect power to the dishwasher at the breaker panel. Verify zero voltage at the dishwasher outlet with a multimeter.
2

Open the dishwasher door and locate the control board, typically behind the user interface panel. Use a 1/4-inch nut driver to remove any retaining screws.
3

Carefully disconnect the wiring harness from the control board. Inspect the harness and connector for any signs of damage, corrosion, or loose connections.
4

Using a multimeter, test the incoming power supply to the control board connector. You should measure approximately 120V AC. Test the neutral wire for continuity to ground to verify proper grounding.
5

If the voltage is present and the wiring is intact, the control board is likely faulty. Replace the control board with a new, compatible Admiral control board (part number typically listed on the original board).
6

Reconnect the wiring harness to the new control board, ensuring a secure and tight connection.
7

Restore power to the dishwasher at the breaker panel and test the dishwasher's operation by running a short test cycle.

Safety Warning:

Disconnect power to the dishwasher at the breaker panel before performing any repairs. Use proper Lock-Out/Tag-Out (LOTO) procedures to prevent accidental re-energizing of the circuit. Dishwashers operate on 120V AC, which can cause serious injury or death.

Prevention:

Install a surge protector to protect the dishwasher from power surges. Periodically inspect the wiring connections to the control board for any signs of looseness or corrosion. Ensure proper grounding of the dishwasher.

Expert Tip:

After replacing the control board, run the dishwasher's diagnostic cycle to ensure proper calibration and operation. This is often accessed by pressing a specific sequence of buttons on the control panel (refer to the service manual for the exact sequence).

Frequently Asked Questions

•Where can I find the correct replacement control board part number for my Admiral dishwasher?

The part number is usually printed directly on the control board itself. You can also find it by searching online using your dishwasher's model number, or by contacting a parts supplier with your model number.

•What is the diagnostic cycle sequence for an Admiral dishwasher?

The specific sequence varies by model. Generally, it involves pressing a combination of buttons (like 'High Temp Wash,' 'Heated Dry,' etc.) in a specific order within a short timeframe. Consult your service manual or search online for your specific model's diagnostic cycle sequence.

•If the voltage to the control board connector is not 120V AC, what should I check?

First, verify that the breaker is not tripped and is providing power to the outlet. Then check the wiring between the breaker panel and the outlet for any breaks or loose connections. Also, inspect the dishwasher's power cord for damage.

Admiral Dishwasher Error Code 1-1: Control Board Failure Troubleshooting

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip:

Frequently Asked Questions

•Where can I find the correct replacement control board part number for my Admiral dishwasher?

•What is the diagnostic cycle sequence for an Admiral dishwasher?

•If the voltage to the control board connector is not 120V AC, what should I check?

Related questions

Technical Background:

Symptoms:

Possible Causes:

Solution:

Safety Warning:

Prevention:

Expert Tip: