Fujitsu Thermostat Symbols (Guide) In 2025
Are you staring at your Fujitsu thermostat, trying to make sense of all those symbols? Don’t worry—you’re not alone!
Fujitsu thermostats are fantastic for controlling your heating and cooling systems, but the array of icons can feel confusing if you’re unfamiliar with them.
Fujitsu Thermostat Symbols, This guide will walk you through the common symbols, what they mean, and how to use them effectively.
What Are Fujitsu Thermostat Symbols?
Fujitsu thermostats use symbols to communicate different functions, modes, and system statuses. These symbols make it easier to understand what’s happening at a glance. However, the lack of a detailed explanation in some manuals can leave you scratching your head.
Whether you’re dealing with a ductless mini-split or a central heating and cooling unit, these symbols help you adjust temperature settings, fan modes, and energy-saving options.
Common Fujitsu Thermostat Symbols and Their Meanings
Let’s dive into the most common Fujitsu thermostat symbols and what they represent.
1. Power Symbol (⏻)
This universal symbol indicates the power status of your thermostat. Pressing the button toggles the system on or off.
2. Temperature Icon (°C/°F)
This symbol displays the current temperature settings. Fujitsu thermostats typically let you switch between Celsius and Fahrenheit depending on your preference.
3. Mode Icons
Fujitsu thermostats offer several operating modes, each represented by a specific symbol:
- Sun Icon ☀️: This indicates heating mode, which activates the system to warm your space.
- Snowflake Icon ❄️: Cooling mode, used to lower the temperature in your room.
- Droplet Icon 💧: Dehumidification mode, ideal for reducing humidity without drastically changing the room temperature.
- Fan Icon 🌀: Fan-only mode, which circulates air without heating or cooling.
- Auto Icon 🔄: The auto mode adjusts the temperature automatically based on your settings.
4. Fan Speed Symbols
Fan speed settings are usually displayed as bars or waves, such as:
- One bar or wave: Low speed
- Two bars or waves: Medium speed
- Three bars or waves: High speed
- AUTO: Automatic fan speed adjustment
5. Timer Symbols (⏰)
These symbols represent the timer functions on your Fujitsu thermostat.
- Clock Icon: Indicates that a timer has been set.
- On/Off Timer Icons: Let you schedule when the system should turn on or off automatically.
6. Eco Mode Icon 🌱
The eco mode symbol (often a leaf) shows that the system is running in energy-saving mode. This is perfect for reducing energy consumption while maintaining a comfortable environment.
7. Error Symbols
If something goes wrong, error codes or blinking symbols might appear on your thermostat. These codes usually require reference to your user manual or professional assistance.
How to Use Fujitsu Thermostat Symbols Effectively
Now that you know what the symbols mean, here are some tips to make the most of your Fujitsu thermostat.
Adjusting Temperature Settings
- Use the up and down arrows to set your desired temperature.
- Ensure the system is in the correct mode (cooling, heating, or auto) for your needs.
Setting the Timer
Timers can save you energy and effort:
- Press the timer button to activate the clock symbol.
- Use the arrow buttons to set the start and stop times.
- Confirm your settings by pressing the OK button.
Choosing the Right Mode
Each mode has a specific purpose:
- Use cooling mode on hot days.
- Switch to heating mode during the winter.
- Activate dehumidification mode when humidity is high.
Troubleshooting Fujitsu Thermostat Symbols
Sometimes, you may encounter symbols or errors that aren’t straightforward. Here’s what to do:
Check the User Manual
The user manual is your go-to source for understanding unfamiliar symbols or error codes.
Reset the Thermostat
If the thermostat isn’t responding:
- Press the reset button, usually found on the side or back of the unit.
- This clears temporary glitches and restores default settings.
Call for Professional Help
If error symbols persist, it’s time to contact an HVAC technician. They can diagnose and fix underlying issues with your system.
Tips for Maintaining Your Fujitsu Thermostat
Regular maintenance ensures your thermostat functions effectively:
- Clean the Thermostat: Dust and dirt can interfere with the display.
- Update Firmware: Some models allow software updates for better functionality.
- Check Batteries: Low battery levels may cause symbols to blink or disappear.
People also ask
What symbol is heat on Fujitsu air conditioner?
The heat symbol on a Fujitsu air conditioner is typically a sun icon (☀️). When this symbol is displayed, it means the unit is in heating mode, warming up the room to your desired temperature.
How do you use a Fujitsu thermostat?
To use a Fujitsu thermostat:
Power On: Press the power button (⏻) to turn it on.
Select Mode: Use the mode button to choose heating (☀️), cooling (❄️), fan (🌀), or dehumidification (💧).
Set Temperature: Adjust the temperature using the up and down arrows.
Fan Speed: Select the desired fan speed (low, medium, high, or auto).
Timer: Use the timer button (⏰) to schedule on/off times.
What is the heat symbol on the thermostat?
The heat symbol on most thermostats is a sun icon (☀️). It indicates the system is set to heating mode to warm your space.
How do I turn on the heat on my Fujitsu?
To turn on the heat on your Fujitsu air conditioner:
Press the Power button (⏻) to turn on the unit.
Press the Mode button until the sun icon (☀️) appears, indicating heating mode.
Adjust the temperature using the up or down arrows to your desired setting.
Conclusion
Fujitsu thermostat symbols might seem overwhelming at first, but once you understand them, controlling your home’s temperature becomes a breeze.
From the sun and snowflake icons to timer settings and fan modes, these symbols provide everything you need to create a comfortable living space.
Still confused? Refer to your user manual or contact a professional to make the most out of your Fujitsu thermostat.
