# AEG Air conditioner P1 error

Canonical page: https://getfixfault.com/guides/aeg-air-conditioner-p1-official-code
AI-readable URL: https://getfixfault.com/guides/aeg-air-conditioner-p1-official-code.txt
Last reviewed: 2026-08-24

## Direct answer

AEG Air conditioner P1: portable-air-conditioner water-tank or drainage condition. This interpretation applies to AEG portable air conditioners covered by the linked UK support article in United Kingdom / English.

## Exact scope

- Brand: AEG
- Appliance: Air conditioner
- Error code or indicator: P1
- Model scope: AEG portable air conditioners covered by the linked UK support article
- Region: United Kingdom / English

## What users may observe

- P1 is shown on the AEG air conditioner display, indicator, or connected app
- The published condition is: portable-air-conditioner water-tank or drainage condition
- Water or condensate does not leave through the documented drain path as expected while P1 is active
- The important observation is when P1 appears and whether the exact published action changes that condition

## Causes or fault boundaries

- Manufacturer-defined fault area — portable-air-conditioner water-tank or drainage condition
- P1 does not distinguish an accessible restriction, hose installation, household drain, pump, wiring, or control until the drain path is checked
- Model boundary — apply this interpretation only to AEG portable air conditioners covered by the linked UK support article

## Verified diagnosis

- Photograph the complete P1 display before changing controls or removing power
- Confirm that the full model number is covered by this scope: AEG portable air conditioners covered by the linked UK support article
- Confirm that the observed condition matches the published meaning: portable-air-conditioner water-tank or drainage condition
- Published check — switch the unit off, drain the water as the manual shows, check the drain path and arrange service if the code returns
- Stop at the published service boundary after these actions
- do not add a restart or test cycle that AEG does not specify for P1
- Published check — Give service the P1 photo, full model and serial number, when it appeared, and the result of every published external check
- Stop at the published service boundary after these actions; do not add a restart or test cycle that AEG does not specify for P1

## Evidence-backed actions

- switch the unit off, drain the water as the manual shows, check the drain path and arrange service if the code returns
- Give service the P1 photo, full model and serial number, when it appeared, and the result of every published external check

## Safety boundary

Follow the exact model manual. switch the unit off, drain the water as the manual shows, check the drain path and arrange service if the code returns Do not open fixed panels or test live circuits.

## Primary evidence

- Source: AEG portable-air-conditioner P1/PI support
- Source URL: https://support.aeg.co.uk/support-articles/article/portable-air-conditioner-displays-code-p1-pi
- Source checked: 2026-08-24
- Procedure verified: 2026-08-24

Use only for the stated model and region. The linked manufacturer source remains authoritative, and an error code alone does not prove that a component has failed.