Kasa Smart KS240
Kasa スマートシーリングファンコントロール&調光スイッチ KS240 ユーザーマニュアル
モデル:KS240
1. はじめに
This manual provides detailed instructions for the installation, setup, and operation of your Kasa Smart Ceiling Fan Control & Dimmer Switch (KS240). This device allows you to control your ceiling fan's speed and light brightness from the switch, the Kasa Smart app, or via voice commands with compatible smart home platforms.
2. 安全情報
WARNING: RISK OF ELECTRIC SHOCK. Always turn off power at the circuit breaker before installation. Improper installation can lead to serious injury or death.
- 取り付けを始める前に、回路ブレーカーの電源がオフになっていることを確認してください。
- Install in a standard indoor wall box only.
- 動作には中性線が必要です。
- Do not exceed the maximum load ratings: LED 150W, Halogen/Incandescent 300W, AC Motor Fan 1.5A (less than 60W).
- Consult a qualified electrician if you are unsure about wiring or electrical procedures.
3. パッケージ内容
- 1 x Kasa Smart Ceiling Fan Control & Dimmer Switch (KS240)
- 1×ウォールプレート
- ワイヤーナット
- ネジ
- クイックインストールガイド
4.製品オーバーview
The Kasa Smart KS240 switch integrates both fan speed control and light dimming into a single wall-mounted unit. It features intuitive touch controls and smart functionality.

Figure 4.1: Kasa Smart KS240 Switch Components
主な特徴:
- 4ファン速度: Adjust airflow to your preference.
- 調整可能な明るさ: Dim lights from 1% to 100%.
- 音声コントロール: Compatible with Apple HomeKit, Amazon Alexa, and Google Assistant.
- アプリコントロール: Manage fan and light settings remotely via the Kasa Smart app.
- スケジュールとタイマー: Automate fan and light operation.
- ETL 認定: 安全性と品質基準を保証します。

Figure 4.2: Kasa Smart KS240 Key Features
5. 互換性要件
Before installation, ensure your existing setup meets the following requirements:

Figure 5.1: Kasa Smart KS240 Compatibility
- Separate Load Wires: Your ceiling fan and light must have separate load wires for independent control.
- 中性線: A neutral wire (typically white) is required in your wall box.
- Wi-Fiネットワーク: A 2.4GHz Wi-Fi network is necessary for smart functionality.
- ファンタイプ: Compatible with AC motor speed control fans (1.5A, less than 60W).
- ライトタイプ: Supports LED (150W Max) and Halogen/Incandescent (300W Max) bulbs.
- 互換性なし: Not compatible with exhaust fans, DC motor fans, or ceiling fans with integrated remote control/Bluetooth/Wi-Fi speed controls.
6.インストールガイド
Before proceeding, ensure power is OFF at the circuit breaker to avoid electric shock.
- 電源を切る: 交換するスイッチのブレーカーの電源を切ります。ボリュームスイッチを使って電源が切れていることを確認してください。tageテスター。
- 古いスイッチを削除します。 Unscrew and carefully remove the existing wall plate and switch from the wall box.
- ワイヤーを識別する: Label each wire connected to your old switch. Common wires include Line (hot), Load (to fan/light), Neutral, and Ground. The Kasa app provides an app-guided installation to assist with wire identification.
- Connect Kasa Smart Switch: Connect the wires from your wall box to the corresponding wires on the Kasa Smart Switch using the provided wire nuts. Refer to the wiring diagram below. Ensure all connections are secure.

Figure 6.1: Kasa Smart KS240 Wiring Diagram
- マウントスイッチ: Carefully fold the wires and push the switch into the wall box. Secure the switch with screws.
- 壁プレートを取り付ける: Snap on the new wall plate.
- 電力を回復する: Turn the power back on at the circuit breaker. The switch's LED indicator should begin flashing, indicating it's ready for setup.
7. App Setup & Smart Home Integration
After physical installation, configure your KS240 switch using the Kasa Smart app.
- Kasa Smartアプリをダウンロード: Apple App Store または Google Play Store から Kasa Smart アプリをダウンロードします。
- Create Kasa Account: Open the app and create a Kasa account or log in if you already have one.
- デバイスを追加: Tap the '+' icon in the app, select 'Device', then 'Smart Switches', and choose 'Smart Fan Control & Dimmer Switch (KS240)'. Follow the on-screen instructions to connect the switch to your 2.4GHz Wi-Fi network.
- スマートホーム統合:
- Appleホームキット: Once set up in the Kasa app, you can add the KS240 to Apple HomeKit. Open the Apple Home app, tap '+', and scan the HomeKit code on your device or packaging. For troubleshooting, visit TP-Link HomeKit Support.
- Amazon Alexa/Google アシスタント: Link your Kasa account within the Alexa or Google Home app to enable voice control.

Figure 7.1: Apple HomeKit Integration
8. 操作手順
8.1手動制御
- ファン速度制御: Slide the left control bar up or down to adjust the fan speed (4 levels). Press the fan button below the bar to turn the fan On/Off.
- Light Dimmer Control: Slide the right control bar up or down to adjust the light brightness (1% to 100%). Press the light button below the bar to turn the light On/Off.
8.2 アプリコントロール
Use the Kasa Smart app to control your fan and light from anywhere:
- Adjust fan speed and light brightness.
- 自動操作のスケジュールとタイマーを設定します。
- Enable 'Away Mode' to randomly turn lights on/off for security.
- Configure 'Sleep Mode' for gradual dimming or fan speed reduction.
8.3 音声制御
Control your fan and light using voice commands with Apple HomeKit (Siri), Amazon Alexa, or Google Assistant:

図8.1: 音声制御Example
- 「Hey Siri、扇風機をつけて。」
- "Alexa, set the fan to speed 3."
- "Hey Google, dim the light to 50%."
9. メンテナンス
- Clean the switch with a soft, dry cloth. Do not use liquid cleaners.
- Ensure the wall plate is securely fastened to prevent dust and debris from entering the switch mechanism.
- Regularly check for firmware updates via the Kasa Smart app to ensure optimal performance and security.
10。 トラブルシューティング
10.1 Switch Not Responding / LED Flashing Red
- 電力を確認します: 回路ブレーカーがオンになっており、スイッチに電力が供給されていることを確認します。
- Wi-Fi接続: Verify your 2.4GHz Wi-Fi network is active and the switch is within range. Re-attempt setup in the Kasa app if necessary.
- 中性線: Confirm the neutral wire is correctly connected. This is essential for the switch to function.
10.2 Light Not Dimming Properly
- 電球の互換性: Ensure your LED bulbs are dimmable. Some LED bulbs may not dim effectively or may flicker.
- 負荷制限: 総ワット数を確認するtage of your lights does not exceed the 150W (LED) or 300W (Halogen/Incandescent) maximum.
- アプリのキャリブレーション: Use the Kasa Smart app to calibrate the minimum and maximum dimming levels for your specific bulbs.
10.3 Fan Not Responding / Incorrect Speed
- ファンタイプ: Confirm your fan is an AC motor speed control fan and not an incompatible type (e.g., DC motor, integrated smart control).
- Fan Pull Chain: Ensure your ceiling fan's pull chain is set to its highest speed setting. The Kasa switch controls the speed from there.
- 負荷制限: Verify the fan's current draw does not exceed 1.5A (less than 60W).
10.4 Accidental Factory Reset
- The switch can be factory reset by holding either the fan or light button for 5 seconds. If this occurs accidentally, you will need to re-add the device to the Kasa Smart app.
11. 仕様
| 特徴 | 仕様 |
|---|---|
| モデル番号 | KS240 |
| 製品寸法 | 4.13 x 1.75 x 1.64インチ |
| 営業巻tage | 120ボルト(AC) |
| 現在の評価 | 2.5 Amps |
| 最大負荷(LED) | 150W |
| Max Load (Halogen/Incandescent) | 300W |
| Max Load (AC Motor Fan) | 1.5A (less than 60W) |
| Wi-Fi周波数 | 2.4GHzのみ |
| 中性線が必要 | はい |
| 認定資格 | 電子商取引 |
| メーカー | TPリンク |
12. 保証とサポート
For warranty information and technical support, please visit the official Kasa Smart (TP-Link) webサイトをご覧いただくか、カスタマーサービスにお問い合わせください。サポートリソース、よくある質問、連絡先は以下をご覧ください。 TP-Linkのサポート.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.