LG Dishwasher P1 / P2 / P3 / P4 Error Code

If your LG dishwasher is displaying P1 / P2 / P3 / P4, this guide explains what it means,
what you can safely check, and when professional diagnosis may be needed.

What does P1 / P2 / P3 / P4 mean on a LG dishwasher?

A downloaded cycle is selected; this is not an error.

Definitions can vary by model or platform, so compare the code with information for your exact model before replacing parts.

What you can try

No repair is required. The code identifies the selected downloaded cycle.

Before booking a repair

1. Confirm the displayed error code and your appliance model number.
2. Check relevant external issues such as a blocked filter, kinked hose, open door, interrupted power, or restricted airflow.
3. If a power reset is appropriate for the appliance, turn it off safely and restart it once.
4. If the code returns, avoid repeated resets and arrange diagnosis.

Safety note

Disconnect electrical power before accessing internal components.
Do not open sealed, gas, high-voltage, or refrigerant systems unless qualified to service them.
These steps are general guidance and do not replace service information for your exact model.

Still seeing P1 / P2 / P3 / P4?

If the problem persists, contact Appliance Maestro to diagnose and repair your LG dishwasher.

Contact Us

When should you call a technician?

If the P1 / P2 / P3 / P4 code returns after the safe checks above, or the appliance is leaking, overheating,
tripping a breaker, making unusual noises, or not operating correctly, professional diagnosis is recommended.
Appliance Maestro provides appliance repair service in Ottawa and surrounding communities.

Related LG dishwasher error codes

LG Dishwasher CDLG Dishwasher F37LG Dishwasher PELG Dishwasher F31LG Dishwasher F35LG Dishwasher 2H