1. Introduction
This manual provides detailed instructions for the operation and maintenance of your new Calvas replacement remote control for Toshiba Central Air Conditioner units. This remote is compatible with models RBC-AMT31E (SX-A1EE) and RBC-AMT32E-C, offering wireless infrared communication for convenient control of your air conditioning system.

Figure 1: Front view of the remote control. This image displays the primary interface of the remote, including the display area, temperature controls, and power button.
2. Safety Information
- Do not expose the remote control to direct sunlight, high temperatures, or high humidity.
- Avoid dropping or subjecting the remote control to strong impacts.
- Do not attempt to disassemble or modify the remote control. This may cause damage and void any potential warranty.
- Keep batteries out of reach of children. If swallowed, seek immediate medical attention.
- Dispose of used batteries according to local regulations. Do not dispose of batteries in fire.
3. Package Contents
Please check that the following item is included in your package:
- 1 x Calvas Replacement Remote Control (Batteries not included)
4. Setup
4.1 Battery Installation
The remote control requires batteries for operation. Please follow these steps to install them:
- Locate the battery compartment cover on the back of the remote control.
- Slide the cover downwards or in the direction indicated by an arrow to open it.
- Insert the required batteries (typically AAA, refer to the compartment for specific type and polarity) ensuring the correct positive (+) and negative (-) alignment.
- Slide the battery compartment cover back into place until it clicks securely.

Figure 2: Back view of the remote control. This image shows the rear of the device, including the battery cover and manufacturing details.
5. Operating Instructions
This section details the functions of the buttons on your remote control.

Figure 3: Front view of the remote control with flap open. This image provides a comprehensive view of all control buttons, including those hidden under the protective flap, and the error message guide.
5.1 Basic Functions
- ON/OFF Button: Press this button to turn the air conditioner unit on or off.
- TEMP. Buttons (▼ / ▲): Use these buttons to decrease (▼) or increase (▲) the desired temperature setting.
5.2 Advanced Functions (Under Flap)
- TIMER SET Buttons: Used to set the on/off timer for the unit.
- TIME (▲ / ▼): Adjusts the time for the timer setting.
- SET: Confirms the timer setting.
- CL (Clear): Clears the current timer setting.
- FAN Button: Cycles through different fan speed settings (e.g., Low, Medium, High, Auto).
- MODE Button: Selects the operating mode of the air conditioner (e.g., Cool, Heat, Dry, Fan Only, Auto).
- SWING/FIX Button: Controls the louver swing function. Press to start/stop the swing or to fix the louver at a desired angle.
- VENT Button: Activates or deactivates the ventilation function.
- UNIT Button: May be used to switch between different units if multiple are connected or to change display units (e.g., Celsius/Fahrenheit).
- FILTER RESET Button: Press this button after cleaning or replacing the air filter to reset the filter indicator.
- TEST Button: For service or diagnostic purposes only. Do not press during normal operation.
6. Troubleshooting
If you encounter issues, refer to the following common error messages and their meanings, as indicated on the remote control itself:
| Error Code | Meaning |
|---|---|
| E** | Communication error or wrong setting of each address switch on the P.C.B. |
| F** | Any one of sensor is malfunctioning. |
| H** | Compressor protector is working. |
| P** | Any one of protector is working. |
MAKE A SERVICE CALL: If either one of ERROR characters such as E, F, H, I, P appears on the display while the unit is operating, it means that some kind of trouble has occurred in the unit. In such a case, press the OPERATION button to stop the unit, then contact your dealer or service center.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Calvas |
| Model Numbers | RBC-AMT31E, RBC-AMT32E-C (Replacement for CLS-D41D8CD98F00B204E9800998ECF8427E) |
| Compatible Devices | Toshiba Central Air Conditioner units |
| Connectivity Technology | Infrared (IR) |
| Wireless Communication | IR |
| Special Features | Wireless Infrared, Pre Programmed |
| Material | Other |
| Item Package Quantity | 1 |
| Batteries Required | Yes (Lithium, not included) |
8. Maintenance
To ensure the longevity and proper functioning of your remote control, follow these simple maintenance tips:
- Cleaning: Wipe the remote control regularly with a soft, dry cloth. For stubborn dirt, slightly dampen the cloth with water and then wipe dry immediately. Do not use abrasive cleaners or solvents.
- Battery Replacement: Replace batteries when the remote's range decreases or the display becomes dim. Always replace all batteries at the same time with new ones of the same type.
- Storage: If the remote control will not be used for an extended period, remove the batteries to prevent leakage and corrosion. Store in a cool, dry place.
9. Warranty and Support
For information regarding warranty coverage or technical support, please refer to the retailer or manufacturer's official website where the product was purchased. Keep your purchase receipt as proof of purchase.